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Adobe Acrobat Reader DC Classic Track Security Technical Implementation Guide

V1R1 · · · Released 05 Feb 2016 · 28 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 e-mail to the following address: disa.stig_spt@mail.mil.
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b
Adobe Reader DC must enable Enhanced Security in a Standalone Application.
SC-18 - Medium - CCI-001166 - V-65729 - SV-80219r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000005
Vuln IDs
  • V-65729
Rule IDs
  • SV-80219r1_rule
PDFs have evolved from static pages to complex documents with features such as interactive forms, multimedia content, scripting, and other capabilities. These features leave PDFs vulnerable to malicious scripts or actions that can damage the computer or steal data. The Enhanced security feature protects the computer against these threats by blocking or selectively permitting actions for trusted locations and files. Enhanced Security determines if a PDF is viewed within a standalone application. A threat to users of Adobe Reader DC is opening a PDF file that contains malicious executable content. Enhanced Security “hardens” the application against risky actions: prevents cross domain access, prohibits script and data injection, blocks stream access to XObjects, silent printing, and execution of high privilege JavaScript. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66385r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnhancedSecurityStandalone Type: REG_DWORD Value: 1 If the value for bEnhancedSecurityStandalone is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71773r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnhancedSecurityStandalone Type: REG_DWORD Value: 1

b
Adobe Reader DC must enable Enhanced Security in a Browser.
SC-18 - Medium - CCI-001166 - V-65735 - SV-80225r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000010
Vuln IDs
  • V-65735
Rule IDs
  • SV-80225r1_rule
PDFs have evolved from static pages to complex documents with features such as interactive forms, multimedia content, scripting, and other capabilities. These features leave PDFs vulnerable to malicious scripts or actions that can damage the computer or steal data. The Enhanced security feature protects the computer against these threats by blocking or selectively permitting actions for trusted locations and files. Enhanced Security determines if a PDF is viewed within a browser application. A threat to users of Adobe Reader DC is opening a PDF file that contains malicious executable content. Enhanced Security “hardens” the application against risky actions: prevents cross domain access, prohibits script and data injection, blocks stream access to XObjects, silent printing, and execution of high privilege JavaScript. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66393r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnhancedSecurityInBrowser Type: REG_DWORD Value: 1 If the value for bEnhancedSecurityInBrowser is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71781r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnhancedSecurityInBrowser Type: REG_DWORD Value: 1

b
Adobe Reader DC must enable Protected Mode.
SC-18 - Medium - CCI-001166 - V-65737 - SV-80227r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000015
Vuln IDs
  • V-65737
Rule IDs
  • SV-80227r1_rule
A threat to users of Adobe Reader DC is opening a PDF file that contains malicious executable content. Protected mode provides a sandbox capability that prevents malicious PDF files from launching arbitrary executable files, writing to system directories or the Windows registry. This isolation of the PDFs reduces the risk of security breaches in areas outside the sandbox. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66397r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bProtectedMode Type: REG_DWORD Value: 1 If the value for bProtectedMode is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71785r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bProtectedMode Type: REG_DWORD Value: 1

b
Adobe Reader DC must enable Protected View.
SC-18 - Medium - CCI-001166 - V-65739 - SV-80229r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000020
Vuln IDs
  • V-65739
Rule IDs
  • SV-80229r1_rule
A threat to users of Adobe Reader DC is opening a PDF file that contains malicious executable content. Protected view restricts Adobe Reader DC functionality, within a sandbox, when a PDF is opened from an untrusted source. This isolation of the PDFs reduces the risk of security breaches in areas outside the sandbox. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66401r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: iProtectedView Type: REG_DWORD Value: 2 If the value for iProtectedView is not set to “2” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71789r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: iProtectedView Type: REG_DWORD Value: 2

b
Adobe Reader DC must Block Websites.
SC-18 - Medium - CCI-001166 - V-65767 - SV-80257r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000025
Vuln IDs
  • V-65767
Rule IDs
  • SV-80257r1_rule
Because Internet access is a potential security risk, clicking any link to the Internet poses a potential security risk. Malicious websites can transfer harmful content or silently gather data. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66449r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cDefaultLaunchURLPerms Value Name: iURLPerms Type: REG_DWORD Value: 1 If the value for iURLPerms is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71837r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cDefaultLaunchURLPerms Value Name: iURLPerms Type: REG_DWORD Value: 1

b
Adobe Reader DC must block access to Unknown Websites.
SC-18 - Medium - CCI-001166 - V-65769 - SV-80259r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000030
Vuln IDs
  • V-65769
Rule IDs
  • SV-80259r1_rule
Because Internet access is a potential security risk, clicking any unknown website link to the Internet poses a potential security risk. Malicious websites can transfer harmful content or silently gather data. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66451r2_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cDefaultLaunchURLPerms Value Name: iUnknownURLPerms Type: REG_DWORD Value: 3 If the value for iUnknownURLPerms is not set to “3” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71839r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cDefaultLaunchURLPerms Value Name: iUnknownURLPerms Type: REG_DWORD Value: 3

b
Adobe Reader DC must prevent opening files other than PDF or FDF.
SC-18 - Medium - CCI-001166 - V-65771 - SV-80261r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000035
Vuln IDs
  • V-65771
Rule IDs
  • SV-80261r1_rule
Attachments represent a potential security risk because they can contain malicious content, open other dangerous files, or launch applications. Certainly file types such as .bin, .exe, .bat, and so on will be recognized as threats. This feature prevents users from opening or launching file types other than PDF or FDF and disables the menu option. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66453r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: iFileAttachmentPerms Type: REG_DWORD Value: 1 If the value for iFileAttachmentPerms is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71841r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: iFileAttachmentPerms Type: REG_DWORD Value: 1

b
Adobe Reader DC must block Flash Content.
SC-18 - Medium - CCI-001166 - V-65775 - SV-80265r1_rule
RMF Control
SC-18
Severity
M
CCI
CCI-001166
Version
ARDC-CL-000045
Vuln IDs
  • V-65775
Rule IDs
  • SV-80265r1_rule
Flash content is commonly hosted on a web page, but it can also be embedded in PDF and other documents. Flash could be used to surreptitious install malware on the end-users computer. Flash Content restricts Adobe Reader DC not to play Flash content within a PDF. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
Checks: C-66457r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnableFlash Type: REG_DWORD Value: 0 If the value for bEnableFlash is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71845r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnableFlash Type: REG_DWORD Value: 0

a
Adobe Reader DC must disable the ability to change the Default Handler.
CM-5 - Low - CCI-001499 - V-65777 - SV-80267r1_rule
RMF Control
CM-5
Severity
L
CCI
CCI-001499
Version
ARDC-CL-000050
Vuln IDs
  • V-65777
Rule IDs
  • SV-80267r1_rule
Allowing user to make changes to an application case cause a security risk. When the Default PDF Handler is disabled, the end users will not be able to change the default PDF viewer.
Checks: C-66459r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisablePDFHandlerSwitching Type: REG_DWORD Value: 1 If the value for bDisablePDFHandlerSwitching is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71847r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisablePDFHandlerSwitching Type: REG_DWORD Value: 1

a
Adobe Reader DC must disable the Adobe Send and Track plugin for Outlook.
CM-7 - Low - CCI-000381 - V-65779 - SV-80269r1_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
ARDC-CL-000055
Vuln IDs
  • V-65779
Rule IDs
  • SV-80269r1_rule
When enabled, Adobe Send and Track button appears in Outlook. When an email is composed it enables the ability to send large files as public links through Outlook. The attached files can be uploaded to the Adobe Document Cloud and public links to the files are inserted in the email body.
Checks: C-66461r1_chk

Verify the following registry configuration: Note: The Key Name "cCloud" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cCloud Value Name: bAdobeSendPluginToggle Type: REG_DWORD Value: 0 If the value for bAdobeSendPluginToggle is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71849r1_fix

Configure the following registry value: Note: The Key Name "cCloud" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cCloud Value Name: bAdobeSendPluginToggle Type: REG_DWORD Value: 0

b
Adobe Reader DC must disable all service access to Document Cloud Services.
CM-7 - Medium - CCI-000381 - V-65781 - SV-80271r1_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
ARDC-CL-000060
Vuln IDs
  • V-65781
Rule IDs
  • SV-80271r1_rule
By default, Adobe online services are tightly integrated in Adobe Reader DC. With the integration of Adobe Document Cloud, disabling this feature prevents the risk of additional attack vectors. Within Adobe Reader DC, the Adobe Cloud resources require a paid subscription for each service.
Checks: C-66463r1_chk

Verify the following registry configuration: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleAdobeDocumentServices Type: REG_DWORD Value: 1 If the value for bToggleAdobeDocumentServices is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71851r1_fix

Configure the following registry value: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleAdobeDocumentServices Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable Cloud Synchronization.
CM-7 - Medium - CCI-000381 - V-65783 - SV-80273r1_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
ARDC-CL-000065
Vuln IDs
  • V-65783
Rule IDs
  • SV-80273r1_rule
By default, Adobe online services are tightly integrated in Adobe Reader DC. When the Adobe Cloud synchronization is disabled it prevents the synchronization of desktop preferences across devices on which the user is signed in with an Adobe ID (including phones).
Checks: C-66465r1_chk

Verify the following registry configuration: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bTogglePrefsSync Type: REG_DWORD Value: 1 If the value for bTogglePrefSync is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71853r1_fix

Configure the following registry value: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bTogglePrefsSync Type: REG_DWORD Value: 1

a
Adobe Reader DC must disable the Adobe Repair Installation.
CM-7 - Low - CCI-000381 - V-65785 - SV-80275r1_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
ARDC-CL-000070
Vuln IDs
  • V-65785
Rule IDs
  • SV-80275r1_rule
When Repair Installation is disabled the user does not have the option (Help Menu) or functional to repair an Adobe Reader DC install.
Checks: C-66467r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: For 32 bit: HKEY_LOCAL_MACHINE\Software\Adobe\Acrobat Reader\2015\Installer For 64 bit: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Adobe\Acrobat Reader\2015\Installer Value Name: DisableMaintenance Type: REG_DWORD Value: 1 If the value for DisableMaintenance is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71855r1_fix

Configure the following registry value: For 32 bit: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Adobe\Acrobat Reader\2015\Installer For 64 bit: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Wow6432Node\Adobe\Acrobat Reader\2015\Installer Value Name: DisableMaintenance Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable 3rd Party Web Connectors.
CM-7 - Medium - CCI-000381 - V-65787 - SV-80277r1_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
ARDC-CL-000075
Vuln IDs
  • V-65787
Rule IDs
  • SV-80277r1_rule
When 3rd Party Web Connectors are disabled it prevents the configuration of Adobe Reader DC access to third party services for file storage.
Checks: C-66469r1_chk

Verify the following registry configuration: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleWebConnectors Type: REG_DWORD Value: 1 If the value for bToggleWebConnectors is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71857r1_fix

Configure the following registry value: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleWebConnectors Type: REG_DWORD Value: 1

a
Adobe Reader DC must disable Adobe Send for Signature.
CM-7 - Low - CCI-000381 - V-65789 - SV-80279r1_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
ARDC-CL-000085
Vuln IDs
  • V-65789
Rule IDs
  • SV-80279r1_rule
The Adobe Document Cloud sign service allows users to send documents online for signature and sign from anywhere or any device. The signed documents are stored in the Adobe Cloud. The Adobe Document Cloud sign service is a paid subscription. When Adobe Send for Signature is disabled users will not be allowed to utilize the Adobe Document Cloud sign function.
Checks: C-66471r1_chk

Verify the following registry configuration: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleAdobeSign Type: REG_DWORD Value: 1 If the value for bToggleAdobeSign is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71859r1_fix

Configure the following registry value: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleAdobeSign Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable access to Webmail.
CM-7 - Medium - CCI-000381 - V-65791 - SV-80281r1_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
ARDC-CL-000090
Vuln IDs
  • V-65791
Rule IDs
  • SV-80281r1_rule
When Webmail is disabled the user cannot configure a webmail account to send an open PDF document as an attachment. Users should have the ability to send documents as Microsoft Outlook attachments. The difference is that Outlook must be configured by the administrator on the local machine.
Checks: C-66473r1_chk

Verify the following registry configuration: Note: The Key Name "cWebmailProfiles" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cWebmailProfiles Value Name: bDisableWebmail Type: REG_DWORD Value: 1 If the value for bDisableWebmail is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71861r1_fix

Configure the following registry value: Note: The Key Name "cWebmailProfiles" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cWebmailProfiles Value Name: bDisableWebmail Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable Online SharePoint Access.
CM-7 - Medium - CCI-000381 - V-65793 - SV-80283r1_rule
RMF Control
CM-7
Severity
M
CCI
CCI-000381
Version
ARDC-CL-000100
Vuln IDs
  • V-65793
Rule IDs
  • SV-80283r1_rule
Disabling SharePoint disables or removes the user’s ability to add a SharePoint account access controls the application's ability to detect that a file came from a SharePoint server, and disables the check-out prompt.
Checks: C-66475r1_chk

Verify the following registry configuration: If configured to an approved DoD SharePoint Server, this is NA. Note: The Key Name "cSharePoint" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cSharePoint Value Name: bDisableSharePointFeatures Type: REG_DWORD Value: 1 If the value for bDisableSharePointFeatures is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71863r1_fix

Configure the following registry value: Note: The Key Name "cSharePoint" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cSharePoint Value Name: bDisableSharePointFeatures Type: REG_DWORD Value: 1

a
Adobe Reader DC must disable the Adobe Welcome Screen.
CM-7 - Low - CCI-000381 - V-65795 - SV-80285r1_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
ARDC-CL-000115
Vuln IDs
  • V-65795
Rule IDs
  • SV-80285r1_rule
The Adobe Reader DC Welcome screen can be distracting and also has online links to the Adobe quick tips website, tutorials, blogs and community forums. When the Adobe Reader DC Welcome screen is disabled the Welcome screen will not be populated on application startup.
Checks: C-66477r1_chk

Verify the following registry configuration: Note: The Key Name "cWelcomeScreen" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cWelcomeScreen Value Name: bShowWelcomeScreen Type: REG_DWORD Value: 0 If the value for bShowWelcomeScreen is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71865r1_fix

Configure the following registry value: Note: The Key Name "cWelcomeScreen" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cWelcomeScreen Value Name: bShowWelcomeScreen Type: REG_DWORD Value: 0

a
Adobe Reader DC must disable Service Upgrades.
CM-7 - Low - CCI-000381 - V-65797 - SV-80287r1_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
ARDC-CL-000120
Vuln IDs
  • V-65797
Rule IDs
  • SV-80287r1_rule
By default, Adobe online services are tightly integrated into Adobe Reader DC. Disabling Service Upgrades disables both updates to the product's web-plugin components as well as all services without exception, including any online sign-in screen.
Checks: C-66479r1_chk

Verify the following registry configuration: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bUpdater Type: REG_DWORD Value: 0 If the value for bUpdater is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71867r1_fix

Configure the following registry value: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bUpdater Type: REG_DWORD Value: 0

b
Adobe Reader DC must disable the ability to specify Host-Based Privileged Locations.
CM-5 - Medium - CCI-001813 - V-65799 - SV-80289r1_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001813
Version
ARDC-CL-000310
Vuln IDs
  • V-65799
Rule IDs
  • SV-80289r1_rule
Privileged Locations allow the user to selectively trust files, folders, and hosts to bypass some security restrictions, such as enhanced security and protected view. By default, the user can create privileged locations through the GUI. Disabling Host-Based Privileged Locations disables and locks the end user's ability to add hosts as a privileged location prevents them from assigning trust and thereby exempting that location from enhanced security restrictions.
Checks: C-66481r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisableOSTrustedSites Type: REG_DWORD Value: 1 If the value for bDisableOSTrustedSites is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71869r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisableOSTrustedSites Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable the ability to add Trusted Files and Folders.
CM-5 - Medium - CCI-001813 - V-65801 - SV-80291r1_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001813
Version
ARDC-CL-000315
Vuln IDs
  • V-65801
Rule IDs
  • SV-80291r1_rule
Privileged Locations allow the user to selectively trust files, folders, and hosts to bypass some security restrictions, such as enhanced security and protected view. By default, the user can create privileged locations through the GUI. Disabling Trusted Files and Folders disables and locks the end user's ability to add folders and files as a privileged location prevents them from assigning trust and thereby exempting that location from enhanced security restrictions.
Checks: C-66483r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisableTrustedFolders Type: REG_DWORD Value: 1 If the value for bDisableTrustedFolders is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71871r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisableTrustedFolders Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable the ability to elevate IE Trusts to Privileged Locations.
CM-5 - Medium - CCI-001813 - V-65803 - SV-80293r1_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001813
Version
ARDC-CL-000320
Vuln IDs
  • V-65803
Rule IDs
  • SV-80293r1_rule
Privileged Locations allow the user to selectively trust files, folders, and hosts to bypass some security restrictions, such as enhanced security and protected view. By default, the user can create privileged locations through the GUI. Disabling IE Trusts to Privileged Locations disables and locks the end user's ability to treat IE trusted sites as a privileged location prevents them from assigning trust and thereby exempting that location from enhanced security restrictions.
Checks: C-66485r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisableTrustedSites Type: REG_DWORD Value: 1 If the value for bDisableTrustedSites is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71873r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisableTrustedSites Type: REG_DWORD Value: 1

b
Adobe Reader DC must disable the ability to elevate (trusts) certified documents as a Privileged Location.
CM-5 - Medium - CCI-001813 - V-65805 - SV-80295r1_rule
RMF Control
CM-5
Severity
M
CCI
CCI-001813
Version
ARDC-CL-000325
Vuln IDs
  • V-65805
Rule IDs
  • SV-80295r1_rule
Privileged Locations allow the user to selectively trust files, folders, and hosts to bypass some security restrictions, such as enhanced security and protected view. By default, the user can create privileged locations through the GUI. Disabling certified documents disables and locks the end user's ability to elevate certified documents as a privileged location.
Checks: C-66487r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnableCertificateBasedTrust Type: REG_DWORD Value: 0 If the value for bEnableCertificateBasedTrust is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71875r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bEnableCertificateBasedTrust Type: REG_DWORD Value: 0

a
Adobe Reader DC must disable periodical uploading of European certificates.
SC-23 - Low - CCI-002470 - V-65807 - SV-80297r1_rule
RMF Control
SC-23
Severity
L
CCI
CCI-002470
Version
ARDC-CL-000330
Vuln IDs
  • V-65807
Rule IDs
  • SV-80297r1_rule
By default, the user can update European certificates from an Adobe server through the GUI. When uploading European certificates is disabled, it prevents the automatic download and installation of certificates and disables and locks the end user's ability to upload those certificates.
Checks: C-66489r1_chk

Verify the following registry configuration: Note: The Key Names "cDigSig" and "cEUTLDownload" are not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\2015\Security\cDigSig\cEUTLDownload Value Name: bLoadSettingsFromURL Type: REG_DWORD Value: 0 If the value for bLoadSettingsFromURL is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71877r1_fix

Configure the following registry value: Note: The Key Names "cDigSig" and "cEUTLDownload" are not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Adobe\Acrobat Reader\2015\Security\cDigSig\cEUTLDownload Value Name: bLoadSettingsFromURL Type: REG_DWORD Value: 0

a
Adobe Reader DC must disable periodical uploading of Adobe certificates.
SC-23 - Low - CCI-002470 - V-65809 - SV-80299r1_rule
RMF Control
SC-23
Severity
L
CCI
CCI-002470
Version
ARDC-CL-000335
Vuln IDs
  • V-65809
Rule IDs
  • SV-80299r1_rule
By default, the user can update Adobe certificates from an Adobe server through the GUI. When uploading Adobe certificates is disabled, it prevents the automatic download and installation of certificates and disables and locks the end user's ability to upload those certificates.
Checks: C-66491r1_chk

Verify the following registry configuration: Note: The Key Names "cDigSig" and "cAdobeDownload" are not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\2015\Security\cDigSig\cAdobeDownload Value Name: bLoadSettingsFromURL Type: REG_DWORD Value: 0 If the value for bLoadSettingsFromURL is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71879r1_fix

Configure the following registry value: Note: The Key Names "cDigSig" and "cAdobeDownload" are not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Adobe\Acrobat Reader\2015\Security\cDigSig\cAdobeDownload Value Name: bLoadSettingsFromURL Type: REG_DWORD Value: 0

c
Adobe Reader DC must have the latest Security-related Software Updates installed.
SI-2 - High - CCI-002605 - V-65811 - SV-80301r1_rule
RMF Control
SI-2
Severity
H
CCI
CCI-002605
Version
ARDC-CL-000340
Vuln IDs
  • V-65811
Rule IDs
  • SV-80301r1_rule
Security flaws with software applications are discovered daily. Vendors are constantly updating and patching their products to address newly discovered security vulnerabilities. Organizations (including any contractor to the organization) are required to promptly install security-relevant software updates (e.g., patches, service packs, and hot fixes). Flaws discovered during security assessments, continuous monitoring, incident response activities, or information system error handling must also be addressed expeditiously. Organization-defined time periods for updating security-relevant software may vary based on a variety of factors including, for example, the security category of the information system or the criticality of the update (i.e., severity of the vulnerability related to the discovered flaw). This requirement will apply to software patch management solutions that are used to install patches across the enclave and also to applications that are not part of that patch management solution. For example, many browsers today provide the capability to install their own patch software. Patch criticality, as well as system criticality, will vary. Therefore, the tactical situations regarding the patch management process will also vary. This means that the time period utilized must be a configurable parameter. Time frames for application of security-relevant software updates may be dependent upon the Information Assurance Vulnerability Management (IAVM) process. The application will be configured to check for and install security-relevant software updates within an identified time period from the availability of the update. The specific time period will be defined by an authoritative source (e.g., IAVM, CTOs, DTMs, and STIGs).
Checks: C-66493r1_chk

Determine the method for doing this (e.g., connection to a WSUS server, local procedure, auto update, etc.). Open Adobe Acrobat Reader DC. Navigate to and click on Help >> About Adobe Acrobat Reader DC. Verify that the latest security-related software updates by Adobe are being applied. If the latest security-related software updates by Adobe are not being applied, this is a finding.

Fix: F-71881r1_fix

Apply the latest security-related software updates to the Adobe Acrobat Reader application.

b
Adobe Reader DC must enable FIPS mode.
SC-13 - Medium - CCI-002450 - V-65813 - SV-80303r1_rule
RMF Control
SC-13
Severity
M
CCI
CCI-002450
Version
ARDC-CL-000345
Vuln IDs
  • V-65813
Rule IDs
  • SV-80303r1_rule
Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The application must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated.
Checks: C-66495r1_chk

Verify the following registry configuration: Note: The Key Names "bFIPSMode" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\2015\AVGeneral Value Name: bFIPSMode Type: REG_DWORD Value: 1 If the value for bFIPSMode is not set to “1” and Type configured to REG_DWORD does not exist, then this is a finding.

Fix: F-71883r1_fix

Configure the following registry value: Note: The Key Names "bFIPSMode" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Adobe\Acrobat Reader\2015\AVGeneral Value Name: bFIPSMode Type: REG_DWORD Value: 1

a
Adobe Reader DC must disable Acrobat Upsell.
CM-7 - Low - CCI-000381 - V-65815 - SV-80305r1_rule
RMF Control
CM-7
Severity
L
CCI
CCI-000381
Version
ARDC-CL-000080
Vuln IDs
  • V-65815
Rule IDs
  • SV-80305r1_rule
Products that don’t provide the full set of features by default provide the user the opportunity to upgrade. Acrobat Upsell displays message which encourage the user to upgrade the product. For example, Reader users can purchase additional tools and features, and Acrobat Reader users can upgrade to Acrobat Professional.
Checks: C-66497r1_chk

Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bAcroSuppressUpsell Type: REG_DWORD Value: 1 If the value for bAcroSuppressUpsell is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix: F-71885r1_fix

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bAcroSuppressUpsell Type: REG_DWORD Value: 1