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Google Android 14 COBO Security Technical Implementation Guide

V2R1 · · · Released 24 Jul 2024 · 30 rules
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This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.
Digest of Updates vs. V1R1 · 11 Oct 2023 −1

Comparison against the immediately-prior release (V1R1). Rule matching uses the Group Vuln ID. Content-change detection compares the rule’s description, check, and fix text after stripping inline markup — cosmetic-only edits aren’t flagged.

Removed rules 1

  • V-258380 Medium Google Android 14 must be configured to enable a screen-lock policy that will lock the display after a period of inactivity.
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b
Google Android 14 must be configured to enable audit logging.
AU-6 - Medium - CCI-000154 - V-258377 - SV-258377r959010_rule
RMF Control
AU-6
Severity
M
CCI
CCI-000154
Version
GOOG-14-002800
Vuln IDs
  • V-258377
Rule IDs
  • SV-258377r959010_rule
Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. To be useful, administrators must have the ability to view the audit logs. SFR ID: FMT_SMF_EXT.1.1 #32
Checks: C-62118r928154_chk

Inspect the configuration on the managed Google Android 14 device to enable audit logging. This validation procedure is performed only on the EMM Administration Console. On the EMM console: COBO and COPE: 1. Open "Device owner management" section. 2. Verify that "Enable security logging" is toggled to "ON". If the EMM console device policy is not set to enable audit logging, this is a finding.

Fix: F-62042r928155_fix

Configure the Google Android 14 device to enable audit logging. On the EMM console: COBO and COPE: 1. Open "Device owner management" section. 2. Toggle "Enable security logging" to "ON".

b
Google Android 14 must be configured to enforce a minimum password length of six characters.
Medium - CCI-004066 - V-258378 - SV-258378r985879_rule
RMF Control
Severity
M
CCI
CCI-004066
Version
GOOG-14-006000
Vuln IDs
  • V-258378
Rule IDs
  • SV-258378r985879_rule
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. The ability to crack a password is a function of how many attempts an adversary is permitted, how quickly an adversary can do each attempt, and the size of the password space. The longer the minimum length of the password, the larger the password space. Having a too-short minimum password length significantly reduces password strength, increasing the chance of password compromise and resulting in device and data compromise. SFR ID: FMT_SMF_EXT.1.1 #1a
Checks: C-62119r928157_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device is enforcing a minimum password length of six characters. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Open "Minimum password quality". 4. Verify Numeric Complex, Alphabetic, Alphanumeric, or Complex is selected. 5. Open "Minimum password length". 6. Verify "6" is set for number of characters. COPE: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Select "Personal Profile". 4. Verify "Minimum password quality" is set to Numeric Complex, Alphabetic, Alphanumeric, or Complex. 5. Open "Minimum password length". 6. Verify the number of characters is set to "6" or higher. _____________________________ On the managed Google Android 14 device: COBO and COPE: 1. Open Settings >> Security >> Screen lock. 2. Enter current password. 3. Tap "Pin or Password". 4. Verify Password length required is at least "6". If the device password length is not set to six characters or more on EMM console or on the managed Google Android 14 device, this is a finding.

Fix: F-62043r928158_fix

Configure the Google Android 14 device to enforce a minimum password length of six characters. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Open "Minimum password quality". 4. Choose Numeric Complex, Alphabetic, Alphanumeric, or Complex. 5. Open "Minimum password length". 6. Enter in the number of characters as "6". COPE: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Select "Personal Profile". 4. Open "Minimum password quality". 5. Choose Numeric Complex, Alphabetic, Alphanumeric, or Complex. 6. Open "Minimum password length". 7. Enter in the number of characters as "6".

b
Google Android 14 must be configured to not allow passwords that include more than four repeating or sequential characters.
Medium - CCI-004066 - V-258379 - SV-258379r985880_rule
RMF Control
Severity
M
CCI
CCI-004066
Version
GOOG-14-006100
Vuln IDs
  • V-258379
Rule IDs
  • SV-258379r985880_rule
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. Passwords that contain repeating or sequential characters are significantly easier to guess than those that do not contain repeating or sequential characters. Therefore, disallowing repeating or sequential characters increases password strength and decreases risk. SFR ID: FMT_SMF_EXT.1.1 #1b
Checks: C-62120r928160_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device is prohibiting passwords with more than four repeating or sequential characters. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Verify that quality is set to "Numeric (Complex)" or higher. COPE: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Select "Personal Profile". 4. Verify that quality is set to "Numeric (Complex)" or higher. ____________________________ On the managed Google Android 14 device: COBO and COPE: 1. Open Settings >> Security >> Screen lock. 2. Enter current password. 3. Select "PIN". 4. Try to enter a new PIN with repeating numbers. 5. Verify Password complexity requirements are listed: Ascending, descending, or repeated sequence of digits is not allowed. If the EMM console device policy is set to a password with more than two repeating or sequential characters or on the managed Google Android 14 device, the device policy is set to a password with more than two repeating or sequential characters, this is a finding. Note: Alphabetic, Alphanumeric, and Complex are also acceptable selections, but these selections will cause the user to select a complex password, which is not required by the STIG.

Fix: F-62044r928161_fix

Configure the Google Android 14 device to prevent passwords from containing more than four repeating or sequential characters. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Password constraints". 3. Set password quality to "Numeric (Complex)". COPE: 1. Open "Password constraints". 2. Select "Personal Profile". 3. Set password quality to "Numeric (Complex)". Note: Alphabetic, Alphanumeric, and Complex are also acceptable selections, but these selections will cause the user to select a complex password, which is not required by the STIG.

b
Google Android 14 must be configured to lock the display after 15 minutes (or less) of inactivity.
AC-11 - Medium - CCI-000057 - V-258381 - SV-258381r971318_rule
RMF Control
AC-11
Severity
M
CCI
CCI-000057
Version
GOOG-14-006300
Vuln IDs
  • V-258381
Rule IDs
  • SV-258381r971318_rule
The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long timeout would increase the window of opportunity for adversaries who gain physical access to the mobile device through loss, theft, etc. Such devices are much more likely to be in an unlocked state when acquired by an adversary, thus granting immediate access to the data on the mobile device. The maximum timeout period of 15 minutes has been selected to balance functionality and security; shorter timeout periods may be appropriate depending on the risks posed to the mobile device. SFR ID: FMT_SMF_EXT.1.1 #2b
Checks: C-62122r928166_chk

Review managed Google Android device configuration settings to determine if the mobile device is enforcing a screen-lock policy that will lock the display after a period of 15 minutes or less of inactivity. Note: Google Android 14 Settings User Interface (UI) does not support the 15-minute increment, but this value can be set by the MDM. This validation procedure is performed on both the EMM Administration Console and the Android 14 device. On the EMM console: COBO: 1. Open "Lock screen restrictions". 2. Verify that "Max time to screen lock" is set to "900". Note: The units are in seconds. COPE: 1. Open "Lock screen restrictions". 2. Select "Personal Profile". 3. Verify that "Max time to screen lock" is set to "900". Note: The units are in seconds. If the EMM console device policy is not set to enable a screen-lock policy that will lock the display after a period of inactivity of 900 seconds, this is a finding.

Fix: F-62046r928167_fix

Configure the Google Android 14 device to enable a screen-lock policy of 15 minutes for the max period of inactivity. Note: Google Android 14 Settings User Interface (UI) does not support the 15-minute increment, but this value can be set by the MDM. On the EMM console: COBO: 1. Open "Lock screen restrictions". 2. Set "Max time to screen lock" to "900". Note: The units are in seconds. COPE: 1. Open "Lock screen restrictions". 2. Select "Personal Profile". 3. Set "Max time to screen lock" to 900". Note: The units are in seconds.

b
Google Android 14 must be configured to not allow more than 10 consecutive failed authentication attempts.
AC-7 - Medium - CCI-000044 - V-258382 - SV-258382r958388_rule
RMF Control
AC-7
Severity
M
CCI
CCI-000044
Version
GOOG-14-006400
Vuln IDs
  • V-258382
Rule IDs
  • SV-258382r958388_rule
The more attempts an adversary has to guess a password, the more likely the adversary will enter the correct password and gain access to resources on the device. Setting a limit on the number of attempts mitigates this risk. Setting the limit at 10 or less gives authorized users the ability to make a few mistakes when entering the password but still provides adequate protection against dictionary or brute force attacks on the password. SFR ID: FMT_SMF_EXT.1.1 #2c, FIA_AFL_EXT.1.5
Checks: C-62123r928169_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device has the maximum number of consecutive failed authentication attempts set at 10 or fewer. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Verify that "Max password failures for local wipe" is set to a number between 1 and 10. COPE: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Select "Personal Profile". 4. Verify that "Max password failures for local wipe" is set to a number between 1 and 10. _________________________ On the managed Google Android 14 device: COBO and COPE: 1. Lock the device screen. 2. Attempt to unlock the screen and validate that the device autowipes after specified number of invalid entries. Note: Perform this verification only with a test phone set up with a production profile. If the EMM console device policy is not set to the maximum number of consecutive failed authentication attempts at 10 or fewer, or if on the managed Google Android 14 device the device policy is not set to the maximum number of consecutive failed authentication attempts at 10 or fewer, this is a finding.

Fix: F-62047r928170_fix

Configure the Google Android 14 device to allow only 10 or fewer consecutive failed authentication attempts. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Set "Max password failures for local wipe" to a number between 1 and 10. COPE: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Select "Personal Profile". 4. Set "Max password failures for local wipe" to a number between 1 and 10.

b
Google Android 14 must be configured to enforce an application installation policy by specifying one or more authorized application repositories, including [selection: DOD-approved commercial app repository, MDM server, mobile application store].
CM-6 - Medium - CCI-000366 - V-258383 - SV-258383r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-006500
Vuln IDs
  • V-258383
Rule IDs
  • SV-258383r959010_rule
Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious applications from being installed and executed on mobile devices. Allowing such installations and executions could cause a compromise of DOD data accessible by these unauthorized/malicious applications. SFR ID: FMT_SMF_EXT.1.1 #8a
Checks: C-62124r928172_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device has only approved application repositories (DOD-approved commercial app repository, EMM server, and/or mobile application store). This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO and COPE: 1. Open "Set user restrictions". 2. Verify that "Disallow install unknown sources" is toggled to "ON". 3. Verify that "Disallow installs from unknown sources globally" is toggled to "ON". On the Google Android 14 device: COBO and COPE: 1. Open Settings >> Apps >> Special app access. 2. Open Install unknown apps. 3. Ensure the list of apps is blank or if an app is on the list, "Disabled by admin" is listed under the app name. If the EMM console device policy is not set to allow connections to only approved application repositories or on the managed Google Android 14 device, the device policy is not set to allow connections to only approved application repositories, this is a finding.

Fix: F-62048r928173_fix

Configure the Google Android 14 device to disable unauthorized application repositories. On the EMM console: COBO and COPE: 1. Open "Set user restrictions". 2. Toggle "Disallow install unknown sources" to "ON". 3. Toggle "Disallow installs from unknown sources globally" to "ON".

b
Google Android 14 must be configured to enforce an application installation policy by specifying an application allowlist that restricts applications by the following characteristics: [selection: list of digital signatures, cryptographic hash values, names, application version].
CM-7 - Medium - CCI-001764 - V-258384 - SV-258384r958804_rule
RMF Control
CM-7
Severity
M
CCI
CCI-001764
Version
GOOG-14-006600
Vuln IDs
  • V-258384
Rule IDs
  • SV-258384r958804_rule
The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core and preinstalled applications, or the MD must provide an alternate method of restricting user access/execution to core and preinstalled applications. Core application: Any application integrated into the OS by the OS or MD vendors. Preinstalled application: Additional noncore applications included in the OS build by the OS vendor, MD vendor, or wireless carrier. Requiring all authorized applications to be in an application allowlist prevents the execution of any applications (e.g., unauthorized, malicious) that are not part of the allowlist. Failure to configure an application allowlist properly could allow unauthorized and malicious applications to be downloaded, installed, and executed on the mobile device, causing a compromise of DOD data accessible by these applications. The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core applications (included in the OS by the OS vendor) and preinstalled applications (provided by the MD vendor and wireless carrier), or the MD must provide an alternate method of restricting user access/execution to core and preinstalled applications. SFR ID: FMT_SMF_EXT.1.1 #8b
Checks: C-62125r928175_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device has an application allowlist configured. Verify all applications listed on the allowlist have been approved by the Approving Official (AO). On the EMM console: COBO and COPE: 1. Go to the Android app catalog for managed Google Play. 2. Verify all selected apps are AO approved. On the managed Google Android 14 device: COBO and COPE: 1. Open the managed Google Play Store. 2. Verify that only the approved apps are visible. Note: Managed Google Play is an allowed App Store. If the EMM console list of selected managed Google Play apps includes nonapproved apps, this is a finding. Note: The application allowlist will include approved core applications (included in the OS by the OS vendor) and pre-installed applications (provided by the MD vendor and wireless carrier), or the MD must provide an alternate method of restricting user access/execution to core and pre-installed applications. For Google Android, there are no pre-installed applications.

Fix: F-62049r928176_fix

Configure the Google Android 14 device to use an application allowlist. On the EMM console: COBO and COPE: 1. Go to the Android app catalog for managed Google Play. 2. Select apps to be available (only approved apps). 3. Push updated policy to the device. Note: Managed Google Play is an allowed App Store.

b
Google Android 14 allowlist must be configured to not include applications with the following characteristics: - Back up mobile device (MD) data to non-DOD cloud servers (including user and application access to cloud backup services); - Transmit MD diagnostic data to non-DOD servers; - Voice assistant application if available when MD is locked; - Voice dialing application if available when MD is locked; - Allows synchronization of data or applications between devices associated with user; and - Allows unencrypted (or encrypted but not FIPS 140-2/140-3 validated) data sharing with other MDs or printers.
CM-6 - Medium - CCI-000366 - V-258385 - SV-258385r971535_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-006700
Vuln IDs
  • V-258385
Rule IDs
  • SV-258385r971535_rule
Requiring all authorized applications to be in an application allowlist prevents the execution of any applications (e.g., unauthorized, malicious) that are not part of the allowlist. Failure to configure an application allowlist properly could allow unauthorized and malicious applications to be downloaded, installed, and executed on the mobile device, causing a compromise of DOD data accessible by these applications. Applications with the listed characteristics have features that can cause the compromise of sensitive DOD data or have features with no known application in the DOD environment. Application note: The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core and preinstalled applications, or the MD must provide an alternate method of restricting user access/execution to core and preinstalled applications. Core application: Any application integrated into the OS by the OS or MD vendors. Preinstalled application: Additional noncore applications included in the OS build by the OS vendor, MD vendor, or wireless carrier. SFR ID: FMT_SMF_EXT.1.1 #8b
Checks: C-62126r928178_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device has an application allowlist configured and that the application allowlist does not include applications with the following characteristics: - Back up MD data to non-DOD cloud servers (including user and application access to cloud backup services); - Transmit MD diagnostic data to non-DOD servers; - Voice assistant application if available when MD is locked; - Voice dialing application if available when MD is locked; - Allows synchronization of data or applications between devices associated with user; - Payment processing; and - Allows unencrypted (or encrypted but not FIPS 140-2/140-3 validated) data sharing with other MDs, display screens (screen mirroring), or printers. This validation procedure is performed only on the EMM Administration Console. On the EMM console: 1. Review the list of selected Managed Google Play apps. 2. Review the details and privacy policy of each selected app to ensure the app does not include prohibited characteristics. If the EMM console device policy includes applications with unauthorized characteristics, this is a finding.

Fix: F-62050r928179_fix

Configure the Google Android 14 device application allowlist to exclude applications with the following characteristics: - Back up MD data to non-DOD cloud servers (including user and application access to cloud backup services); - Transmit MD diagnostic data to non-DOD servers; - Voice assistant application if available when MD is locked; - Voice dialing application if available when MD is locked; - Allows synchronization of data or applications between devices associated with user; - Payment processing; and - Allows unencrypted (or encrypted but not FIPS 140-2/140-3 validated) data sharing with other MDs, display screens (screen mirroring), or printers. On the EMM console: 1. Go to the Android app catalog for managed Google Play. 2. Before selecting an app, review the app details and privacy policy to ensure the app does not include prohibited characteristics.

b
Google Android 14 must be configured to not display the following (work profile) notifications when the device is locked: [selection: a. email notifications b. calendar appointments c. contact associated with phone call notification d. text message notification e. other application-based notifications f. all notifications].
AC-11 - Medium - CCI-000060 - V-258386 - SV-258386r958404_rule
RMF Control
AC-11
Severity
M
CCI
CCI-000060
Version
GOOG-14-006800
Vuln IDs
  • V-258386
Rule IDs
  • SV-258386r958404_rule
Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new notifications. However, in many cases, these notifications can contain sensitive information. When they are available on the lock screen, an adversary can see them merely by being in close physical proximity to the device. Configuring the mobile operating system (MOS) to not send notifications to the lock screen mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #18
Checks: C-62127r928181_chk

Review managed Google Android 14 device settings to determine if the Google Android 14 device displays (work profile) notifications on the lock screen. Notifications of incoming phone calls are acceptable even when the device is locked. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Verify that "Disable unredacted notifications" is toggled to "ON". COPE: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Select "Work Profile". 4. Verify that "Disable unredacted notifications" is toggled to "ON". ___________________________ On the managed Google Android 14 device: COBO: 1. Go to Settings >> Display >> Lock screen. 2. Tap on "Privacy". 3. Verify that "Show sensitive content only when unlocked" is selected. COPE: 1. Go to Settings >> Display >> Lock screen. 2. Tap on "When work profile is locked". 3. Verify that "Hide sensitive work content" is selected. If the EMM console device policy allows work notifications on the lock screen, or the managed Google Android 14 device allows work notifications on the lock screen, this is a finding.

Fix: F-62051r928182_fix

Configure the Google Android 14 device to not display (work profile) notifications when the device is locked. On the EMM console: COBO: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Toggle "Disable unredacted notifications". COPE: 1. Open "Lock screen" settings. 2. Open "Lock screen restrictions". 3. Select "Work Profile". 4. Toggle "Disable unredacted notifications".

b
Google Android 14 must be configured to disable trust agents.
IA-2 - Medium - CCI-000765 - V-258387 - SV-258387r985881_rule
RMF Control
IA-2
Severity
M
CCI
CCI-000765
Version
GOOG-14-007200
Vuln IDs
  • V-258387
Rule IDs
  • SV-258387r985881_rule
Trust agents allow a user to unlock a mobile device without entering a passcode when the mobile device is, for example, connected to a user-selected Bluetooth device or in a user-selected location. This technology would allow unauthorized users to have access to DOD sensitive data if compromised. By not permitting the use of nonpassword authentication mechanisms, users are forced to use passcodes that meet DOD passcode requirements. SFR ID: FMT_SMF_EXT.1.1 #22, FIA_UAU.5.1
Checks: C-62128r928184_chk

Review device configuration settings to confirm that trust agents are disabled. This procedure is performed on both the EMM Administration console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Lock screen restrictions". 2. Verify that "Disable trust agents" is toggled to "ON". COPE: 1. Open "Lock screen restrictions". 2. Select "Personal Profile". 3. Verify that "Disable trust agents" is toggled to "ON". 4. Select "Work Profile". 5. Verify that "Disable trust agents" is toggled to "ON". ____________________________ On the managed Google Android 14 device: COBO and COPE: 1. Open Settings. 2. Tap "Security & privacy". 3. Tap "More security & privacy". 4. Tap "Trust agents". 5. Verify that all listed trust agents are disabled and cannot be enabled. If on the EMM console, "disable trust agents" is not selected, or on the managed Google Android 14 device a trust agent can be enabled, this is a finding.

Fix: F-62052r928185_fix

Configure the Google Android 14 device to disable trust agents. On the EMM console: COBO: 1. Open "Lock screen restrictions". 2. Toggle "Disable trust agents" to "ON". COPE: 1. Open "Lock screen restrictions". 2. Select "Personal Profile". 3. Toggle "Disable trust agents" to "ON". 4. Select "Work Profile". 5. Toggle "Disable trust agents" to "ON".

b
Google Android 14 must be configured to disable developer modes.
CM-7 - Medium - CCI-000381 - V-258388 - SV-258388r958478_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
GOOG-14-007400
Vuln IDs
  • V-258388
Rule IDs
  • SV-258388r958478_rule
Developer modes expose features of the mobile operating system (MOS) that are not available during standard operation. An adversary may leverage a vulnerability inherent in a developer mode to compromise the confidentiality, integrity, and availability of DOD sensitive information. Disabling developer modes mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #26
Checks: C-62129r928187_chk

Review managed Google Android 14 device configuration settings to determine whether a developer mode is enabled. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Set user restrictions". 2. Verify that "Disallow debugging features" is toggled to "ON". COPE: 1. Open "Set user restrictions". 2. Verify that "Disallow debugging features" is toggled to "ON". 3. Open "Set user restrictions on parent". 4. Verify that "Disallow debugging features" is toggled to "ON". ____________________________ On the managed Google Android 14 device: COBO and COPE: 1. Go to Settings >> System. 2. Ensure "Developer Options" is not listed. 3. Go to Settings >> About Phone. 4. Tap on the Build Number to try to enable Developer Options and validate that action is blocked. If the EMM console device policy is not set to disable developer mode or on the managed Google Android 14 device, the device policy is not set to disable developer mode, this is a finding.

Fix: F-62053r928188_fix

Configure the Google Android 14 device to disable developer modes. On the EMM console: COBO: 1. Open "Set user restrictions". 2. Toggle "Disallow debugging features" to "ON". COPE: 1. Open "Set user restrictions". 2. Toggle "Disallow debugging features" to "ON". 3. Open "Set user restrictions on parent". 4. Toggle "Disallow debugging features" to "ON".

a
Google Android 14 must be configured to display the DOD advisory warning message at startup or each time the user unlocks the device.
AC-8 - Low - CCI-000048 - V-258389 - SV-258389r958390_rule
RMF Control
AC-8
Severity
L
CCI
CCI-000048
Version
GOOG-14-007700
Vuln IDs
  • V-258389
Rule IDs
  • SV-258389r958390_rule
Before granting access to the system, the mobile operating system is required to display the DOD-approved system use notification message or banner that provides privacy and security notices consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. Required banners help ensure that DOD can audit and monitor the activities of mobile device users without legal restriction. System use notification messages can be displayed when individuals first access or unlock the mobile device. The banner must be implemented as a "click-through" banner at device unlock (to the extent permitted by the operating system). A "click-through" banner prevents further activity on the information system unless and until the user executes a positive action to manifest agreement by clicking on a box indicating "OK." The approved DOD text must be used exactly as required in the Knowledge Service referenced in DODI 8500.01. For devices accommodating banners of 1300 characters, the banner text is: You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only. By using this IS (which includes any device attached to this IS), you consent to the following conditions: -The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations. -At any time, the USG may inspect and seize data stored on this IS. -Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose. -This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy. -Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details. For devices with severe character limitations, the banner text is: I've read & consent to terms in IS user agreem't. The administrator must configure the banner text exactly as written without any changes. SFR ID: FMT_SMF_EXT.1.1 #36
Checks: C-62130r928190_chk

The DOD warning banner can be displayed by either of the following methods (required text is found in the Vulnerability Discussion): 1. By placing the DOD warning banner text in the user agreement signed by each managed Android 14 device user (preferred method). 2. By configuring the warning banner text on the EMM console and installing the banner on each managed Android 14 mobile device. Determine which method is used at the Google Android 14 device site and follow the appropriate validation procedure below. Validation Procedure for Method #1: Review the signed user agreements for several Google Android 14 device users and verify the agreement includes the required DOD warning banner text. Validation Procedure for Method #2: On the EMM console: COBO: 1. Open "Lock screen restrictions". 2. Select "Lock screen message". 3. Verify the message. COPE: 1. Open "Lock screen restrictions". 2. Select "Personal Profile". 3. Select "Lock screen message". 4. Verify the message. If, for Method #1, the required warning banner text is not on all signed user agreements reviewed, or for Method #2, the EMM console device policy is not set to display a warning banner with the appropriate designated wording or on the managed Google Android 14 device, the device policy is not set to display a warning banner with the appropriate designated wording, this is a finding.

Fix: F-62054r928191_fix

Configure the DOD warning banner by either of the following methods (required text is found in the Vulnerability Discussion): 1. By placing the DOD warning banner text in the user agreement signed by each Google Android 14 device user (preferred method). 2. By configuring the warning banner text on the EMM console and installing the banner on each Google Android 14 mobile device. On the EMM console: COBO: 1. Open "Lock screen restrictions". 2. Select "Lock screen message". 3. Enter in message. COPE: 1. Open "Lock screen restrictions". 2. Select "Personal Profile". 3. Select "Lock screen message". 4. Enter in message.

b
Google Android 14 must be configured to generate audit records for the following auditable events: Detected integrity violations.
AU-12 - Medium - CCI-000169 - V-258390 - SV-258390r958442_rule
RMF Control
AU-12
Severity
M
CCI
CCI-000169
Version
GOOG-14-007800
Vuln IDs
  • V-258390
Rule IDs
  • SV-258390r958442_rule
Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. They help identify attacks so that breaches can be prevented or limited in their scope. They facilitate analysis to improve performance and security. The Requirement Statement lists key events for which the system must generate an audit record. Note: This requirement applies only to integrity violation detections that can be logged by the audit logging component. SFR ID: FMT_SMF_EXT.1.1 #37
Checks: C-62131r928193_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device is configured to generate audit records for the following auditable events: Detected integrity violations. This validation procedure is performed only on the EMM Administration Console. On the EMM console: COBO and COPE: 1. Open "Device owner management" section. 2. Verify that "Enable security logging" is toggled to "ON". If the EMM console device policy is not set to enable security logging, this is a finding.

Fix: F-62055r928194_fix

Configure the Google Android 14 device to generate audit records for the following auditable events: Detected integrity violations. On the EMM console: COBO and COPE: 1. Open "Device owner management" section. 2. Toggle "Enable security logging" to "ON".

b
Google Android 14 must be configured to disable USB mass storage mode.
SC-41 - Medium - CCI-002546 - V-258391 - SV-258391r958896_rule
RMF Control
SC-41
Severity
M
CCI
CCI-002546
Version
GOOG-14-008400
Vuln IDs
  • V-258391
Rule IDs
  • SV-258391r958896_rule
USB mass storage mode enables the transfer of data and software from one device to another. This software can include malware. When USB mass storage is enabled on a mobile device, it becomes a potential vector for malware and unauthorized data exfiltration. Prohibiting USB mass storage mode mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #39
Checks: C-62132r928196_chk

Review managed Google Android 14 device configuration settings to determine if the mobile device has a USB mass storage mode and whether it has been disabled. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "User restrictions". 2. Open "Set user restrictions". 3. Verify that "Disallow USB file transfer" is toggled to "ON". COPE: 1. Open "User restrictions". 2. Open "Set user restrictions on parent". 3. Verify "Disallow USB file transfer" is toggled to "ON". ______________________________ On the managed Google Android 14 device: 1. Plug a USB cable into the managed Google Android 14 device and connect to a non-DOD network-managed PC. 2. Go to Settings >> Connected devices >> USB. 3. Verify "No data transfer" is selected. If the EMM console device policy is not set to disable USB mass storage mode or on the managed Google Android 14 device, the device policy is not set to disable USB mass storage mode, this is a finding.

Fix: F-62056r928197_fix

Configure the Google Android 14 device to disable USB mass storage mode. On the EMM console: COBO: 1. Open "User restrictions". 2. Open "Set user restrictions". 3. Toggle "Disallow USB file transfer" to "ON". COPE: 1. Open "User restrictions". 2. Open "Set user restrictions on parent". 3. Toggle "Disallow USB file transfer" to "ON".

b
Google Android 14 must be configured to not allow backup of [all applications, configuration data] to locally connected systems.
SC-4 - Medium - CCI-001090 - V-258392 - SV-258392r958524_rule
RMF Control
SC-4
Severity
M
CCI
CCI-001090
Version
GOOG-14-008500
Vuln IDs
  • V-258392
Rule IDs
  • SV-258392r958524_rule
Data on mobile devices is protected by numerous mechanisms, including user authentication, access control, and cryptography. When the data is backed up to an external system (either locally connected or cloud based), many if not all of these mechanisms are no longer present. This leaves the backed-up data vulnerable to attack. Disabling backup to external systems mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #40
Checks: C-62133r928199_chk

Review managed Google Android 14 device configuration settings to determine if the capability to back up to a locally connected system has been disabled. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO and COPE: 1. Open "Device owner management". 2. Verify "Enable backup service" is toggled to "OFF". On the managed Google Android 14 device: COBO: 1. Go to Settings >> System >> Backup. 2. Verify Backup settings is "Not available". COPE: 1. Go to Settings >> System >> Backup. 2. Select "Work". 3. Verify Backup settings is "Not available". If the EMM console device policy is not set to disable the capability to back up to a locally connected system or on the managed Google Android 14 device, the device policy is not set to disable the capability to back up to a locally connected system, and this is a finding.

Fix: F-62057r928200_fix

Configure the Google Android 14 device to disable backup to locally connected systems. On the EMM console: COBO and COPE: 1. Open "Device owner management". 2. Toggle "Enable backup service" to "OFF".

b
Google Android 14 must be configured to not allow backup of [all applications, configuration data] to remote systems.
SC-4 - Medium - CCI-001090 - V-258393 - SV-258393r958524_rule
RMF Control
SC-4
Severity
M
CCI
CCI-001090
Version
GOOG-14-008600
Vuln IDs
  • V-258393
Rule IDs
  • SV-258393r958524_rule
Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often offer less protection than the mobile operating system (MOS). Where the remote backup involves a cloud-based solution, the backup capability is often used to synchronize data across multiple devices. In this case, DOD devices may synchronize DOD sensitive information to a user's personal device or other unauthorized computers that are vulnerable to breach. Disallowing remote backup mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #40
Checks: C-62134r928202_chk

Review managed Google Android 14 device configuration settings to determine if the capability to back up to a remote system has been disabled. Note: Since personal accounts cannot be added to the work profile (GOOG-14-009800), this control only impacts personal profile accounts. Site can allow backup based on local policy. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO and COPE: 1. Open "Device owner management". 2. Verify "Enable backup service" is toggled to "OFF". On the managed Google Android 14 device: COBO: 1. Go to Settings >> System >> System >> Backup. 2. Verify Backup settings is "Not available". COPE: 1. Go to Settings >> System >> System >> Backup. 2. Select "Work". 3. Verify Backup settings is "Not available". If the EMM console device policy is not set to disable the capability to back up to a remote system or on the managed Google Android 14 device, the device policy is not set to disable the capability to back up to a remote system, this is a finding.

Fix: F-62058r928203_fix

Configure the Google Android 14 device to disable backup to remote systems (including commercial clouds). On the EMM console: COBO and COPE: 1. Open "Device owner management". 2. Toggle "Enable backup service" to "OFF". Note: Since personal accounts cannot be added to the work profile (GOOG-14-009800), this control only impacts personal profile accounts. Site can allow backup based on local policy.

b
Google Android 14 must be configured to disable multiuser modes.
CM-6 - Medium - CCI-000366 - V-258394 - SV-258394r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-009000
Vuln IDs
  • V-258394
Rule IDs
  • SV-258394r959010_rule
Multiuser mode allows multiple users to share a mobile device by providing a degree of separation between user data. To date, no mobile device with multiuser mode features meets DOD requirements for access control, data separation, and nonrepudiation for user accounts. In addition, the MDFPP does not include design requirements for multiuser account services. Disabling multiuser mode mitigates the risk of not meeting DOD multiuser account security policies. SFR ID: FMT_SMF_EXT.1.1 #47a
Checks: C-62135r928205_chk

Review documentation on the managed Google Android 14 device and inspect the configuration on the Google Android device to disable multiuser modes. This validation procedure is performed on both the EMM Administration Console and the managed Google Android 14 device. On the EMM console: COBO and COPE: 1. Open "User restrictions". 2. Open "Set user restrictions". 3. Verify "Disallow modify accounts" is toggled to "ON". On the managed Google Android 14 device: COBO and COPE: 1. Go to Settings >> Passwords & accounts >> Accounts for Owner. 2. Tap "Add account" (work profile). 3. Verify the action is not allowed. If the EMM console device policy is not set to disable multi-user modes or on the managed Google Android 14 device, the device policy is not set to disable multi-user modes, this is a finding.

Fix: F-62059r928206_fix

Configure the Google Android 14 device to disable multi-user modes. On the EMM console: COBO and COPE: 1. Open "User restrictions". 2. Open "Set user restrictions". 3. Toggle "Disallow modify accounts" to "ON".

a
Google Android 14 must be configured to disable all Bluetooth profiles except for HSP (Headset Profile), HFP (Hands-Free Profile), SPP (Serial Port Profile), A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Video Remote Control Profile), and PBAP (Phone Book Access Profile).
CM-7 - Low - CCI-000381 - V-258395 - SV-258395r958478_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
GOOG-14-009400
Vuln IDs
  • V-258395
Rule IDs
  • SV-258395r958478_rule
Some Bluetooth profiles provide the capability for remote transfer of sensitive DOD data without encryption or otherwise do not meet DOD IT security policies and therefore must be disabled. SFR ID: FMT_SMF_EXT.1.1/BLUETOOTH BT-8
Checks: C-62136r928208_chk

Determine if the AO has approved the use of Bluetooth at the site. If the AO has not approved the use of Bluetooth, verify Bluetooth has been disabled. On the EMM console: COBO: 1. Open "User restrictions" section. 2. Verify "Disallow Bluetooth" is toggled to "ON". COPE: 1. Open "User restrictions on parent" section. 2. Verify "Disallow Bluetooth" is toggled to "ON". On the managed Google Android 14 device: COBO and COPE: 1. Go to Settings >> Connected Devices >> Connection Preferences >> Bluetooth. 2. Verify "Use Bluetooth" is set to OFF and cannot be toggled to "ON". If the AO has approved the use of Bluetooth, on the managed Android 14 device: 1. Go to Settings >> Connected Devices. 2. Verify only approved Bluetooth connected devices using approved profiles are listed. If the AO has not approved the use of Bluetooth, and Bluetooth use is not disabled via an EMM-managed device policy, this is a finding. If the AO has approved the use of Bluetooth, and Bluetooth devices using unauthorized Bluetooth profiles are listed on the device under "Connected devices", this is a finding.

Fix: F-62060r928209_fix

Configure the Google Android 14 device to disable Bluetooth or if the AO has approved the use of Bluetooth (for example, for car hands-free use), train the user to connect to only authorized Bluetooth devices using only HSP, HFP, or SPP Bluetooth capable devices (UBE). To disable Bluetooth use the following procedure: On the EMM console: COBO: 1. Open "User restrictions" section. 2. Toggle "Disallow Bluetooth" to "ON". COPE: 1. Open "User restrictions on parent" section. 2. Toggle "Disallow Bluetooth" to "ON". The user training requirement is satisfied in requirement GOOG-14-009800.

b
Google Android 14 must be configured to disable ad hoc wireless client-to-client connection capability.
SC-40 - Medium - CCI-002536 - V-258396 - SV-258396r987886_rule
RMF Control
SC-40
Severity
M
CCI
CCI-002536
Version
GOOG-14-009500
Vuln IDs
  • V-258396
Rule IDs
  • SV-258396r987886_rule
Ad hoc wireless client-to-client connections allow mobile devices to communicate with each other directly, circumventing network security policies and making the traffic invisible. This could allow the exposure of sensitive DOD data and increase the risk of downloading and installing malware of the DOD mobile device. SFR ID: FMT_SMF_EXT.1.1/WLAN
Checks: C-62137r928211_chk

Review the managed Google Android 14 device configuration settings to determine if the mobile device is configured to disable ad hoc wireless client-to-client connection capability. This validation procedure is performed on both the MDM Administration console and the managed Google Android 14 device. On the MDM console: COBO: 1. Open "Settings Management". 2. Verify "Set location" is toggled to "OFF". COPE: 1. Open "User restrictions on parent". 2. Verify "Disallow config location" is toggled to "ON". 3. Verify "Disallow share location" is toggled to "ON". On the managed Google Android 14 device: COBO and COPE: 1. Go to Settings >> Network & Internet >> Internet >> Network preferences. 2. Verify "Wi-Fi Direct" is greyed out and unavailable. If the EMM console device policy is not set to disable Location sharing and configuration, this is a finding.

Fix: F-62061r928212_fix

Configure the Google Android 14 device to disable ad hoc wireless client-to-client connection capability. On the MDM console: COBO: 1. Open "Settings Management". 2. Toggle "Set location" to "OFF". COPE: 1. Open "User restrictions on parent". 2. Toggle "Disallow config location" to "ON". 3. Toggle "Disallow share location" to "ON". Note: Ad hoc and Wi-Fi Direct requires Location services to function; therefore, disabling this setting will disable the ad hoc and Wi-Fi Direct feature.

b
Google Android 14 users must complete required training.
CM-6 - Medium - CCI-000366 - V-258397 - SV-258397r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-009800
Vuln IDs
  • V-258397
Rule IDs
  • SV-258397r959010_rule
The security posture of Google devices requires the device user to configure several required policy rules on their device. User-Based Enforcement (UBE) is required for these controls. In addition, if the Authorizing Official (AO) has approved the use of an unmanaged personal space, the user must receive training on risks. If a user is not aware of their responsibilities and does not comply with UBE requirements, the security posture of the Google mobile device may become compromised and DOD sensitive data may become compromised. SFR ID: NA
Checks: C-62138r928214_chk

Review a sample of site User Agreements for Google Android 14 device users or similar training records and training course content. Verify that the Google Android 14 device users have completed the required training. The intent is that required training is renewed on a periodic basis in a time period determined by the AO. If any Google Android 14 device user has not completed the required training, this is a finding.

Fix: F-62062r928215_fix

All Google Android 14 device users must complete training on the following training topics (users must acknowledge that they have reviewed training via a signed User Agreement or similar written record): - Operational security concerns introduced by unmanaged applications/unmanaged personal space, including applications using global positioning system (GPS) tracking. - Need to ensure no DOD data is saved to the personal space or transmitted from a personal app (for example, from personal email). - If the Purebred key management app is used, users are responsible for maintaining positive control of their credentialed device at all times. The DOD PKI certificate policy requires subscribers to maintain positive control of the devices that contain private keys and to report any loss of control so the credentials can be revoked. Upon device retirement, turn-in, or reassignment, ensure that a factory data reset is performed prior to device hand off. Follow mobility service provider decommissioning procedures as applicable. - How to configure the following UBE controls (users must configure the control) on the Google device: **Secure use of Calendar Alarm. **Local screen mirroring and mirroring procedures (authorized/not authorized for use). **Do not upload DOD contacts via smart call and caller ID services. **Do not remove DOD intermediate and root PKI digital certificates. **Disable Wi-Fi Sharing. **Do not configure a DOD network (work) VPN profile on any third-party VPN client installed in the personal space. **If Bluetooth connections are approved for mobile device, types of allowed connections (for example car hands-free, but not Bluetooth wireless keyboard). **How to perform a full device wipe. - AO guidance on acceptable use and restrictions, if any, on downloading and installing personal apps and data (music, photos, etc.) in the Google device personal space.

b
Google Android 14 must be configured to enforce that Wi-Fi Sharing is disabled.
CM-6 - Medium - CCI-000366 - V-258398 - SV-258398r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-009900
Vuln IDs
  • V-258398
Rule IDs
  • SV-258398r959010_rule
Wi-Fi Sharing is an optional configuration of Wi-Fi Tethering/Mobile Hotspot, which allows the device to share its Wi-Fi connection with other wirelessly connected devices instead of its mobile (cellular) connection. Wi-Fi Sharing grants the "other" device access to a corporate Wi-Fi network and may possibly bypass the network access control mechanisms. This risk can be partially mitigated by requiring the use of a preshared key for personal hotspots. SFR ID: FMT_SMF_EXT.1.1 / WLAN #3
Checks: C-62139r928217_chk

Review device configuration settings to confirm Wi-Fi Sharing is disabled. Mobile Hotspot must be enabled to enable Wi-Fi Sharing. If the Authorizing Official (AO) has not approved Mobile Hotspot, and it has been verified as disabled on the EMM console, no further action is needed. If Mobile Hotspot is being used, use the following procedure to verify Wi-Fi Sharing is disabled: On the EMM console: COBO: 1. Open "Set user restrictions". 2. Verify "Disallow config tethering" is toggled to "ON". COPE: 1. Open "Set user restrictions on parent". 2. Toggle "Disallow config tethering" to "ON". On the managed Google Android 14 device: COBO and COPE: 1. Go to Settings >> Network & Internet. 2. Verify "Hotspot & tethering" is "Controlled by admin". 3. Verify that tapping "Hotspot & tethering" provides a prompt to the user specifying "Action not allowed". If on the managed Google Android 14 device "Hotspot & tethering" is enabled, this is a finding.

Fix: F-62063r928218_fix

Configure the Google Android 14 device to disable Wi-Fi Sharing. Mobile Hotspot must be enabled to enable Wi-Fi Sharing. If the AO has not approved Mobile Hotspot, and it has been disabled on the EMM console, no further action is needed. If Mobile Hotspot is being used, use the following procedure to disable Wi-Fi Sharing: On the EMM console: COBO: 1. Open "Set user restrictions". 2. Toggle "Disallow config tethering" to "ON". COPE: 1. Open "Set user restrictions on parent". 2. Toggle "Disallow config tethering" to "ON".

b
Google Android 14 must have the DOD root and intermediate PKI certificates installed.
CM-6 - Medium - CCI-000366 - V-258399 - SV-258399r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-010000
Vuln IDs
  • V-258399
Rule IDs
  • SV-258399r959010_rule
DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the root and intermediate certificates are not available, an adversary could falsely sign a certificate in such a way that it could not be detected. Providing access to the DOD root and intermediate PKI certificates greatly diminishes the risk of this attack. SFR ID: FMT_SMF_EXT.1.1 #11
Checks: C-62140r928220_chk

Review device configuration settings to confirm that the DOD root and intermediate PKI certificates are installed. This procedure is performed on both the EMM Administration console and the managed Google Android 14 device. The current DOD root and intermediate PKI certificates may be obtained in self-extracting zip files at http://cyber.mil/pki-pke (for NIPRNet). On the EMM console verify that the DOD root and intermediate certificates are part of a device and/or work profile that is being pushed down to the devices. On the managed Google Android 14 device: 1. Open Settings. 2. Tap "Security". 3. Tap "Advanced". 4. Tap "Encryption & credentials". 5. Tap "Trusted credentials". 6. Verify that DOD root and intermediate PKI certificates are listed under the User tab in the Work section. If on the EMM console the DOD root and intermediate certificates are not listed in a profile, or the managed Android 14 device does not list the DOD root and intermediate certificates under the user tab, this is a finding.

Fix: F-62064r928221_fix

Configure the Google Android 14 device to install DOD root and intermediate certificates. On the EMM console upload DOD root and intermediate certificates as part of a device and/or work profile. The current DOD root and intermediate PKI certificates may be obtained in self-extracting zip files at http://cyber.mil/pki-pke (for NIPRNet).

b
The Google Android 14 work profile must be configured to enforce the system application disable list.
CM-6 - Medium - CCI-000366 - V-258400 - SV-258400r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-010200
Vuln IDs
  • V-258400
Rule IDs
  • SV-258400r959010_rule
The system application disable list controls user access to/execution of all core and preinstalled applications. Core application: Any application integrated into Google Android 14 by Google. Preinstalled application: Additional noncore applications included in the Google Android 14 build by Google or the wireless carrier. Some system applications can compromise DOD data or upload users' information to non-DOD-approved servers. A user must be blocked from using such applications that exhibit behavior that can result in compromise of DOD data or DOD user information. The site administrator must analyze all preinstalled applications on the device and disable all applications not approved for DOD use by configuring the system application disable list. SFR ID: FMT_SMF_EXT.1.1 #47
Checks: C-62141r928223_chk

Review the managed Google Android 14 work profile configuration settings to confirm the system application disable list is enforced. This setting is enforced by default. Verify only approved system apps have been placed on the core allowlist. This procedure is performed on the EMM Administrator console. Review the system app allowlist and verify only approved apps are on the list. COBO: 1. Open "Apps management" section. 2. Select "Hide apps". 3. Verify package names of apps are listed. COPE: 1. Open "Apps management" section. 2. Select "Hide apps on parent". 3. Verify package names of apps are listed. If on the EMM console the system app allowlist contains unapproved core apps, this is a finding.

Fix: F-62065r928224_fix

Configure the Google Android 14 device to enforce the system application disable list. The required configuration is the default configuration when the device is enrolled. If the device configuration is changed, use the following procedure to bring the device back into compliance: On the EMM console: COBO: 1. Open "Apps management" section. 2. Select "Hide apps". 3. Enter package names of apps to hide. COPE: 1. Open "Apps management" section. 2. Select "Hide apps on parent". 3. Enter package names of apps to hide. Configure a list of approved Google core and preinstalled apps in the core app allowlist.

b
Google Android 14 must be configured to disallow configuration of date and time.
CM-6 - Medium - CCI-000366 - V-258401 - SV-258401r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-010600
Vuln IDs
  • V-258401
Rule IDs
  • SV-258401r959010_rule
Determining the correct time a particular application event occurred on a system is critical when conducting forensic analysis and investigating system events. Periodically synchronizing internal clocks with an authoritative time source is necessary to correctly correlate the timing of events that occur across the enterprise. The three authoritative time sources for Google Android 14 are an authoritative time server that is synchronized with redundant United States Naval Observatory (USNO) time servers as designated for the appropriate DOD network (NIPRNet or SIPRNet), or the Global Positioning System (GPS), or the wireless carrier. Time stamps generated by the audit system in Google Android 14 must include both date and time. The time may be expressed in Coordinated Universal Time (UTC), a modern continuation of Greenwich Mean Time (GMT), or local time with an offset from UTC. SFR ID: FMT_SMF_EXT.1.1 #47
Checks: C-62142r928226_chk

Review the managed Google Android 14 device configuration settings to confirm that autofill services are disabled. This procedure is performed on both the EMM Administration console and the managed Google Android 14 device. On the EMM console: COBO: 1. Open "Set user restrictions". 2. Verify "Disallow config date time" is toggled to "ON". COPE: 1. Open "Set user restrictions on parent". 2. Verify "Disallow config date time" is toggled to "ON". On the managed Google Android 14 device: COBO and COPE: 1. Open Settings. 2. Tap "System". 3. Tap "Date & time". 4. Verify "Set time automatically" is grayed out and is "Enabled by admin". If on the EMM console "Disallow config date time" is not set to "On", or on the managed Android 14 device "Set time automatically" is not grayed out, this is a finding.

Fix: F-62066r928227_fix

Configure the Google Android 14 device to set auto network time. On the EMM console: COBO: 1. Open "Set user restrictions". 2. Toggle "Disallow config date time" to "ON". COPE: 1. Open "Set user restrictions on parent". 2. Toggle "Disallow config date time" to "ON".

c
Android 14 devices must have the latest available Google Android 14 operating system installed.
CM-6 - High - CCI-000366 - V-258402 - SV-258402r959010_rule
RMF Control
CM-6
Severity
H
CCI
CCI-000366
Version
GOOG-14-010800
Vuln IDs
  • V-258402
Rule IDs
  • SV-258402r959010_rule
Required security features are not available in earlier operating system versions. In addition, there may be known vulnerabilities in earlier versions. SFR ID: FMT_SMF_EXT.1.1 #47
Checks: C-62143r928229_chk

Review device configuration settings to confirm the Google Android device has the most recently released version of managed Google Android 14 installed. This procedure is performed on both the EMM console and the managed Google Android 14 device. In the EMM management console, review the version of Google Android 14 installed on a sample of managed devices. This procedure will vary depending on the EMM product. On the managed Google Android 14 device, to determine the installed operating system version: COBO and COPE: 1. Open Settings. 2. Tap "About phone". 3. Verify "Build number". If the installed version of the Google Android 14 operating system on any reviewed devices is not the latest released by Google, this is a finding. Google's Android operating system patch website: https://source.android.com/security/bulletin/. Android versions for Pixel devices: https://developers.google.com/android/images.

Fix: F-62067r928230_fix

Install the latest released version of the Google Android 14 operating system on all managed Google devices. Note: Google Android device operating system updates are released directly by Google or can be distributed via the EMM. Check each device manufacturer and/or carriers for current updates.

a
Android 14 devices must be configured to disable the use of third-party keyboards.
CM-6 - Low - CCI-000366 - V-258403 - SV-258403r959010_rule
RMF Control
CM-6
Severity
L
CCI
CCI-000366
Version
GOOG-14-010900
Vuln IDs
  • V-258403
Rule IDs
  • SV-258403r959010_rule
Many third-party keyboard applications are known to contain malware. SFR ID: FMT_SMF_EXT.1.1 #47
Checks: C-62144r928232_chk

Review the managed Google Android 14 configuration settings to confirm that no third-party keyboards are enabled. This procedure is performed on the EMM console. On the EMM console: COBO and COPE: 1. Open "Input methods". 2. Tap "Set input methods". 3. Verify only the approved keyboards are selected. If third-party keyboards are allowed, this is a finding.

Fix: F-62068r928233_fix

Configure the Google Android 14 device to disallow the use of third-party keyboards. On the EMM console: COBO and COPE: 1. Open "Input methods". 2. Tap "Set input methods". 3. Select only the approved keyboard. Additionally, Admins can configure application allowlists for Google Play that do not have any third-party keyboards for user installation.

a
Android 14 devices must be configured to enable Common Criteria Mode (CC Mode).
CM-6 - Low - CCI-000366 - V-258404 - SV-258404r959010_rule
RMF Control
CM-6
Severity
L
CCI
CCI-000366
Version
GOOG-14-011000
Vuln IDs
  • V-258404
Rule IDs
  • SV-258404r959010_rule
The CC Mode feature is a superset of other features and behavioral changes that are mandatory MDFPP requirements. If CC mode is not implemented, the device will not be operating in the NIAP-certified compliant CC Mode of operation. CC Mode implements the following behavioral/functional changes: How the Bluetooth and Wi-Fi keys are stored using different types of encryption. SFR ID: FMT_SMF_EXT.1.1 #47
Checks: C-62145r928235_chk

Review the managed Google Android 14 configuration settings to confirm CC mode is enabled. This procedure is performed on the EMM console. COBO and COPE: 1. Open Device owner management. 2. Verify "Enable Common Criteria mode" is toggled to "ON". If CC mode is not enabled, this is a finding.

Fix: F-62069r928236_fix

Configure the Google Android 14 device to implement CC Mode. On the EMM console: COBO and COPE: 1. Open Device owner management. 2. Toggle "Enable Common Criteria mode" to "ON".

b
Google Android 14 must be configured to disable all data signaling over [assignment: list of externally accessible hardware ports (for example, USB)].
AC-6 - Medium - CCI-002235 - V-258405 - SV-258405r959010_rule
RMF Control
AC-6
Severity
M
CCI
CCI-002235
Version
GOOG-14-012200
Vuln IDs
  • V-258405
Rule IDs
  • SV-258405r959010_rule
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploit vulnerabilities created by the weaker configuration to compromise DOD sensitive information. SFR ID: FMT_MOF_EXT.1.2 #24
Checks: C-62146r928238_chk

Review the device configuration to confirm that the USB port is disabled except for charging the device. On the EMM console: 1. Open "Set user restrictions". 2. Verify "Enable USB" is toggled to "OFF". If on EMM console the USB port is not disabled, this is a finding.

Fix: F-62070r928239_fix

Configure Google Android 14 device to disable the USB port (except for charging the device). COPE and COBO: On the EMM console: 1. Open "Set user restrictions". 2. Toggle "Enable USB" to "OFF".

b
The Google Android 14 must allow only the administrator (EMM) to install/remove DOD root and intermediate PKI certificates.
CM-6 - Medium - CCI-000366 - V-258406 - SV-258406r959010_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
GOOG-14-012300
Vuln IDs
  • V-258406
Rule IDs
  • SV-258406r959010_rule
DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the user is allowed to remove root and intermediate certificates, the user could allow an adversary to falsely sign a certificate in such a way that it could not be detected. Restricting the ability to remove DOD root and intermediate PKI certificates to the Administrator mitigates this risk. SFR ID: FMT_MOF_EXT.1.2 #47
Checks: C-62147r928241_chk

Review the device configuration to confirm that the user is unable to remove DOD root and intermediate PKI certificates. On the EMM console: 1. Open "Set user restrictions". 2. Verify "Disallow config credentials" is toggled to "ON". On the Google Android 14 device: 1. Open Settings. 2. Tap "Security & privacy". 3. Tap "More security & privacy". 4. Tap "Encryption & credentials". 5. Tap "Trusted credentials". 6. Verify the user is unable to untrust or remove any work certificates. If on the Google Android 14 device the user is able to remove certificates, this is a finding.

Fix: F-62071r928242_fix

Configure Google Android 14 device to prevent a user from removing DOD root and intermediate PKI certificates. On the EMM console: 1. Open "Set user restrictions". 2. Toggle "Disallow config credentials" to "ON".

a
Google Android 14 must allow only the administrator (MDM) to perform the following management function: Disable Phone Hub.
SC-4 - Low - CCI-001090 - V-258407 - SV-258407r959010_rule
RMF Control
SC-4
Severity
L
CCI
CCI-001090
Version
GOOG-14-012400
Vuln IDs
  • V-258407
Rule IDs
  • SV-258407r959010_rule
It may be possible to transfer work profile data on a DOD Android device to an unauthorized Chromebook if the user has the same Google Account set up on the Chromebook and in the work profile on the Android device. This may result in the exposure of sensitive DOD data. SFR ID: FMT_MOF_EXT.1.2 #47
Checks: C-62148r928244_chk

Review the EMM configuration to confirm phone hub has been disabled. On the management tool: 1. Open "Nearby notification streaming policy". 2. Verify "Nearby notification streaming policy" is set to "Disabled". 3. Open "Nearby app streaming policy". 4. Verify "Nearby app streaming policy" is set to "Disabled". If on the management tool the "Nearby Streaming Policy" is not set to "Disabled" and "Nearby app streaming policy" is not set to "Disabled", this is a finding. Note: From a Chromebook, if a device is connected to the Phone Hub, try to set up the Notifications and it will fail to connect to the device to complete the set up if phone hub has been disabled on the DOD Android device.

Fix: F-62072r928245_fix

Configure Google Android 14 device to disable the nearby notification streaming policy to disable Phone Hub. COPE and COBO: On the EMM console: 1. Open "Nearby notification streaming policy". 2. Set "Nearby notification streaming policy" to "Disabled". 3. Open "Nearby app streaming policy". 4. Set "Nearby app streaming policy" to "Disabled".