Check: AADC-CL-001320
Adobe Acrobat Professional DC Classic Track STIG:
AADC-CL-001320
(in version v2 r1)
Title
Adobe Acrobat Pro DC Classic Periodic downloading of Adobe certificates must be disabled. (Cat III impact)
Discussion
By default, the user can update Adobe certificates from an Adobe server through the GUI. When updating Adobe certificates is disabled, it prevents the automatic download and installation of certificates and disables and locks the end user's ability to download those certificates.
Check Content
Verify the following registry configuration: Using the Registry Editor, navigate to the following: HKEY_CURRENT_USER\Software\Adobe\Adobe Acrobat\2015\Security\cDigSig\cAdobeDownload Value Name: bLoadSettingsFromURL Type: REG_DWORD Value: 0 If the value for bLoadSettingsFromURL is not set to "0" and Type is not configured to REG_DWORD or does not exist, this is a finding. GUI path: Edit > Preferences > Trust Manager > In the 'Automatic Adobe Approved Trust List (AATL) Updates' section > verify the 'Load trusted certificates from an Adobe AATL server' is not checked. If the box is checked, this is a finding. Admin Template path: User Configuration > Administrative Templates > Adobe Acrobat Pro DC Classic > Preferences > Trust Manager > 'Load trusted certificates from an Adobe AATL server' must be set to 'Disabled'. This policy setting requires the installation of the AcrobatProDCClassic custom templates included with the STIG package. "AcrobatProDCClassic.admx" and "AcrobatProDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.
Fix Text
Configure the following registry value: Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Adobe\Adobe Acrobat\2015\Security\cDigSig\cAdobeDownload Value Name: bLoadSettingsFromURL Type: REG_DWORD Value: 0 Configure the policy value for User Configuration > Administrative Templates > Adobe Acrobat Pro DC Classic > Preferences > Trust Manager > 'Load trusted certificates from an Adobe AATL server' to 'Disabled'. This policy setting requires the installation of the AcrobatProDCClassic custom templates included with the STIG package. "AcrobatProDCClassic.admx" and "AcrobatProDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.
Additional Identifiers
Rule ID: SV-213114r557504_rule
Vulnerability ID: V-213114
Group Title: SRG-APP-000427
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-002470 |
The information system only allows the use of organization-defined certificate authorities for verification of the establishment of protected sessions. |
Controls
Number | Title |
---|---|
SC-23 (5) |
Allowed Certificate Authorities |