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Microsoft OneDrive Security Technical Implementation Guide

V2R1 · · · Released 13 Nov 2020 · 13 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.
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b
Disabling of user name and password syntax from being used in URLs must be enforced.
SC-18 - Medium - CCI-001170 - V-215529 - SV-215529r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001170
Version
DTOO104
Vuln IDs
  • V-215529
  • V-71297
Rule IDs
  • SV-215529r569322_rule
  • SV-85921
The Uniform Resource Locator (URL) standard allows user authentication to be included in URL strings in the form http://username:password@example.com. A malicious user might use this URL syntax to create a hyperlink that appears to open a legitimate website but actually opens a deceptive (spoofed) website. For example, the URL http://www.wingtiptoys.com@example.com appears to open http://www.wingtiptoys.com but actually opens http://example.com. To protect users from such attacks, Internet Explorer usually blocks any URLs using this syntax. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a website). If user names and passwords in URLs are allowed, users could be diverted to dangerous Web pages, which could pose a security risk.
Checks: C-16724r312205_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Disable user name and password" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_HTTP_USERNAME_PASSWORD_DISABLE Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16722r312206_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Disable user name and password" to "Enabled" and place a check in the 'groove.exe' check box.

b
Enabling IE Bind to Object functionality must be present.
SC-18 - Medium - CCI-001695 - V-215530 - SV-215530r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001695
Version
DTOO111
Vuln IDs
  • V-215530
  • V-71301
Rule IDs
  • SV-215530r569322_rule
  • SV-85925
Internet Explorer performs a number of safety checks before initializing an ActiveX control. It will not initialize a control if the kill bit for the control is set in the registry, or if the security settings for the zone in which the control is located do not allow it to be initialized. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). A security risk could occur if potentially dangerous controls are allowed to load.
Checks: C-16725r312208_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Bind to Object" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SAFE_BINDTOOBJECT Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16723r312209_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Bind to Object" to "Enabled" and place a check in the 'groove.exe' check box.

b
Saved from URL mark to assure Internet zone processing must be enforced.
SC-18 - Medium - CCI-001170 - V-215531 - SV-215531r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001170
Version
DTOO117
Vuln IDs
  • V-215531
  • V-71303
Rule IDs
  • SV-215531r569322_rule
  • SV-85927
Typically, when Internet Explorer loads a web page from a Universal Naming Convention (UNC) share that contains a Mark of the Web (MOTW) comment, indicating the page was saved from a site on the Internet, Internet Explorer runs the page in the Internet security zone instead of the less restrictive Local Intranet security zone. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If Internet Explorer does not evaluate the page for a MOTW, potentially dangerous code could be allowed to run.
Checks: C-16726r312211_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Saved from URL" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_UNC_SAVEDFILECHECK Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16724r312212_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Saved from URL" to "Enabled" and place a check in the 'groove.exe' check box.

b
Navigation to URLs embedded in Office products must be blocked.
SC-18 - Medium - CCI-001170 - V-215532 - SV-215532r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001170
Version
DTOO123
Vuln IDs
  • V-215532
  • V-71305
Rule IDs
  • SV-215532r569322_rule
  • SV-85929
To protect users from attacks, Internet Explorer usually does not attempt to load malformed URLs. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If Internet Explorer attempts to load a malformed URL, a security risk could occur.
Checks: C-16727r312214_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Navigate URL" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16725r312215_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Navigate URL" to "Enabled" and place a check in the 'groove.exe' check box.

b
Scripted Window Security must be enforced.
SC-18 - Medium - CCI-001695 - V-215533 - SV-215533r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001695
Version
DTOO124
Vuln IDs
  • V-215533
  • V-71309
Rule IDs
  • SV-215533r569322_rule
  • SV-85933
Malicious websites often try to confuse or trick users into giving a site permission to perform an action allowing the site to take control of the users' computers in some manner. Disabling or not configuring this setting allows unknown websites to: -Create browser windows appearing to be from the local operating system. -Draw active windows displaying outside of the viewable areas of the screen capturing keyboard input. -Overlay parent windows with their own browser windows to hide important system information, choices or prompts.
Checks: C-16728r312217_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Scripted Window Security Restrictions" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WINDOW_RESTRICTIONS Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16726r312218_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Scripted Window Security Restrictions" to "Enabled" and place a check in the 'groove.exe' check box.

b
Add-on Management functionality must be allowed.
SC-18 - Medium - CCI-001662 - V-215534 - SV-215534r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001662
Version
DTOO126
Vuln IDs
  • V-215534
  • V-71311
Rule IDs
  • SV-215534r569322_rule
  • SV-85935
Internet Explorer add-ons are pieces of code, run in Internet Explorer, to provide additional functionality. Rogue add-ons may contain viruses or other malicious code. Disabling or not configuring this setting could allow malicious code or users to become active on user computers or the network. For example, a malicious user can monitor and then use keystrokes users type into Internet Explorer. Even legitimate add-ons may demand resources, compromising the performance of Internet Explorer, and the operating systems for user computers.
Checks: C-16729r312220_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Add-on Management" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16727r312221_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Add-on Management" to "Enabled" and place a check in the 'groove.exe' check box.

b
Links that invoke instances of Internet Explorer from within an Office product must be blocked.
SC-18 - Medium - CCI-001662 - V-215535 - SV-215535r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001662
Version
DTOO129
Vuln IDs
  • V-215535
  • V-71313
Rule IDs
  • SV-215535r569322_rule
  • SV-85937
The Pop-up Blocker feature in Internet Explorer can be used to block most unwanted pop-up and pop-under windows from appearing. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If the Pop-up Blocker is disabled, disruptive and potentially dangerous pop-up windows could load and present a security risk.
Checks: C-16730r312223_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Block popups" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_POPUPMANAGEMENT Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16728r312224_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Block popups" to "Enabled" and place a check in the 'groove.exe' check box.

b
File Downloads must be configured for proper restrictions.
SC-18 - Medium - CCI-001169 - V-215536 - SV-215536r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001169
Version
DTOO132
Vuln IDs
  • V-215536
  • V-71317
Rule IDs
  • SV-215536r569322_rule
  • SV-85941
Disabling this setting allows websites to present file download prompts via code without the user specifically initiating the download. User preferences may also allow the download to occur without prompting or interaction with the user. Even if Internet Explorer prompts the user to accept the download, some websites abuse this functionality. Malicious websites may continually prompt users to download a file or present confusing dialog boxes to trick users into downloading or running a file. If the download occurs and it contains malicious code, the code could become active on user computers or the network.
Checks: C-16731r312226_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict File Download" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_FILEDOWNLOAD Criteria: If the value of groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16729r312227_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict File Download" to "Enabled" and place a check in the 'groove.exe' check box.

b
Protection from zone elevation must be enforced.
SC-18 - Medium - CCI-001695 - V-215537 - SV-215537r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001695
Version
DTOO209
Vuln IDs
  • V-215537
  • V-71319
Rule IDs
  • SV-215537r569322_rule
  • SV-85943
Internet Explorer places restrictions on each web page users can use the browser to open. Web pages on a user's local computer have the fewest security restrictions and reside in the Local Machine zone, making this security zone a prime target for malicious users and code. Disabling or not configuring this setting could allow pages in the Internet zone to navigate to pages in the Local Machine zone to then run code to elevate privileges. This could allow malicious code or users to become active on user computers or the network.
Checks: C-16732r312229_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Protection From Zone Elevation" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ZONE_ELEVATION Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16730r312230_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Protection From Zone Elevation" to "Enabled" and place a check in the 'groove.exe' check box.

b
ActiveX Installs must be configured for proper restriction.
SC-18 - Medium - CCI-002460 - V-215538 - SV-215538r569322_rule
RMF Control
SC-18
Severity
M
CCI
CCI-002460
Version
DTOO211
Vuln IDs
  • V-215538
  • V-71321
Rule IDs
  • SV-215538r569322_rule
  • SV-85945
Microsoft ActiveX controls allow unmanaged, unprotected code to run on the user computers. ActiveX controls do not run within a protected container in the browser like the other types of HTML or Microsoft Silverlight-based controls. Disabling or not configuring this setting does not block prompts for ActiveX control installations, and these prompts display to users. This could allow malicious code to become active on user computers or the network.
Checks: C-16733r312232_chk

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" is set to "Enabled" and 'groove.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL Criteria: If the value groove.exe is REG_DWORD = 1, this is not a finding.

Fix: F-16731r312233_fix

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2016 (Machine) -> Security Settings -> IE Security "Restrict ActiveX Install" to "Enabled" and place a check in the 'groove.exe' check box.

b
OneDrive must only allow synchronizing of accounts for DoD organization instances.
CM-6 - Medium - CCI-000366 - V-230562 - SV-230562r569322_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
DTOO605
Vuln IDs
  • V-230562
  • V-88203
Rule IDs
  • SV-230562r569322_rule
  • SV-98853
OneDrive provides access to external services for data storage, which must be restricted to authorized instances if enabled. Configuring this setting will restrict synchronizing of OneDrive accounts to DoD organization instances.
Checks: C-33231r569317_chk

If the organization is using a DoD instance of OneDrive, verify synchronizing is only allowed to the organization's DoD instance. If the organization does not have an instance of OneDrive, verify this is configured with the noted dummy entry to prevent synchronizing with other instances. If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\OneDrive\AllowTenantList\ Value Name: Organization's Tenant GUID Value Type: REG_SZ Value: Organization's Tenant GUID If the organization does not have an instance of OneDrive, the Value Name and Value must be 1111-2222-3333-4444. If it is not, this is a finding.

Fix: F-33206r569194_fix

Configure the policy value for Computer Configuration >> Administrative Templates >> OneDrive >> "Allow syncing OneDrive accounts for only specific organizations", with the Tenant GUID of the organization's DoD instance in the format 1111-2222-3333-4444. If the organization does not have an instance of OneDrive, configure the Tenant GUID with "1111-2222-3333-4444". Group policy files for OneDrive are located on a system with OneDrive in "%localappdata%\Microsoft\OneDrive\BuildNumber\adm\". Copy the OneDrive.admx and .adml files to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

b
Exploit Protection mitigations in Windows 10 must be configured for OneDrive.exe.
CM-6 - Medium - CCI-000366 - V-230563 - SV-230563r569322_rule
RMF Control
CM-6
Severity
M
CCI
CCI-000366
Version
DTOO606
Vuln IDs
  • V-230563
  • V-77235
Rule IDs
  • SV-230563r569322_rule
  • SV-91931
Exploit protection in Windows 10 provides a means of enabling additional mitigations against potential threats at the system and application level. Without these additional application protections, Windows 10 may be subject to various exploits.
Checks: C-33232r569319_chk

This is NA prior to v1709 of Windows 10. This is applicable to unclassified systems. For other systems, this is NA. Run "Windows PowerShell" with elevated privileges (run as administrator). Enter "Get-ProcessMitigation -Name OneDrive.exe". (Get-ProcessMitigation can be run without the -Name parameter to get a list of all application mitigations configured.) If the following mitigations do not have the listed status shown below, this is a finding: DEP: Override DEP: False ASLR: ForceRelocateImages: NOTSET ImageLoad: OverrideBlockRemoteImages: False Payload: OverrideExportAddressFilter: False OverrideExportAddressFilterPlus: False OverrideImportAddressFilter: False OverrideEnableRopStackPivot: False OverrideEnableRopCallerCheck: False OverrideEnableRopSimExec: False The PowerShell command produces a list of mitigations; only those with a required status are listed here. If the PowerShell command does not produce results, ensure the letter case of the filename within the command syntax matches the letter case of the actual filename on the system.

Fix: F-33207r569320_fix

Ensure the following mitigations are configured for OneDrive.exe: DEP: Override DEP: False ASLR: ForceRelocateImages: NOTSET ImageLoad: OverrideBlockRemoteImages: False Payload: OverrideExportAddressFilter: False OverrideExportAddressFilterPlus: False OverrideImportAddressFilter: False OverrideEnableRopStackPivot: False OverrideEnableRopCallerCheck: False OverrideEnableRopSimExec: False Application mitigations defined in the STIG are configured by a DoD EP XML file included with the Windows 10 STIG package in the "Supporting Files" folder. The XML file is applied with the group policy setting Computer Configuration >> Administrative Settings >> Windows Components >> Windows Defender Exploit Guard >> Exploit Protection >> "Use a common set of exploit protection settings" configured to "Enabled" with file name and location defined under "Options:". It is recommended the file be in a read-only network location.

b
The use of personal accounts for OneDrive synchronization must be disabled.
CM-7 - Medium - CCI-000381 - V-230564 - SV-230564r569322_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
DTOO607
Vuln IDs
  • V-230564
  • V-82137
Rule IDs
  • SV-230564r569322_rule
  • SV-96851
OneDrive provides access to external services for data storage, which must be restricted to authorized instances. Enabling this setting will prevent the use of personal OneDrive accounts for synchronization.
Checks: C-33233r569199_chk

If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Policies\Microsoft\OneDrive\ Value Name: DisablePersonalSync Value Type: REG_DWORD Value: 0x00000001 (1)

Fix: F-33208r569200_fix

Configure the policy value for User Configuration >> Administrative Templates >> OneDrive >> "Prevent users from synchronizing personal OneDrive accounts" to "Enabled". Group policy files for OneDrive are located on a system with OneDrive in "%localappdata%\Microsoft\OneDrive\BuildNumber\adm\". Copy the OneDrive.admx and .adml files to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.