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Adobe Acrobat Pro XI certified document trust must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-75297 ADBP-XI-001335 SV-89977r1_rule Medium
Description
Certified document trust elevates signed PDF files to a privileged location and bypasses privileged view security protections. Disabling certified documents disables and locks the end user's ability to elevate certified documents as a privileged location.
STIG Date
Adobe Acrobat Pro XI Security Technical Implementation Guide 2018-01-03

Details

Check Text ( C-75081r1_chk )
Verify the following registry configuration:

Using the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Adobe Acrobat\11.0\FeatureLockDown

Value Name: bEnableCertificateBasedTrust
Type: REG_DWORD
Value: 0

If the value for bEnableCertificateBasedTrust is not set to “0” and Type is not configured to REG_DWORD or does not exist, this is a finding.
Fix Text (F-81913r2_fix)
Configure the following registry value:

Registry Hive:
HKEY_LOCAL_MACHINE
Registry Path:
\Software\Policies\Adobe\Adobe Acrobat\11.0\FeatureLockDown

Value Name: bEnableCertificateBasedTrust
Type: REG_DWORD
Value: 0