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Adobe Reader DC must disable the ability to elevate (trusts) certified documents as a Privileged Location.


Overview

Finding ID Version Rule ID IA Controls Severity
V-65805 ARDC-CL-000325 SV-80295r1_rule Medium
Description
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.
STIG Date
Adobe Acrobat Reader DC Classic Track Security Technical Implementation Guide 2018-03-14

Details

Check Text ( 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 Text (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