Details

By default, the user can update Adobe European certificates from an Adobe server through the GUI. When updating Adobe European 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.

Solution

Configure the following registry value:

Note: The Key Name ‘cEUTLDownload’ is not created by default in the Acrobat Pro DC install and must be created.

Registry Hive:
HKEY_CURRENT_USER
Registry Path:
SoftwareAdobeAdobe AcrobatDCSecuritycDigSigcEUTLDownload

Value Name: bLoadSettingsFromURL
Type: REG_DWORD
Value: 0

Configure the policy value for User Configuration > Administrative Templates > Adobe Acrobat Pro DC Continuous > Preferences > Trust Manager > ‘Load trusted certificates from an Adobe EUTL server’ to ‘Disabled’.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Adobe_Acrobat_Pro_DC_Continuous_V2R1_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Windows.

References

• 800-53|SC-23(5)
• CAT|III
• CCI|CCI-002470
• Rule-ID|SV-213126r766535_rule
• STIG-ID|AADC-CN-000990
• STIG-Legacy|SV-94083
• STIG-Legacy|V-79377
• Vuln-ID|V-213126

Source

• Tenable.com/audits