STIGQter: STIG Summary: Adobe Acrobat Professional DC Continuous Track Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Jul 2021:

Adobe Acrobat Pro DC Continuous Default Handler changes must be disabled.

DISA Rule

SV-213130r766544_rule

Vulnerability Number

V-213130

Group Title

SRG-APP-000133

Rule Version

AADC-CN-001280

Severity

CAT III

CCI(s)

• CCI-001499 - Limit privileges to change software resident within software libraries.

Weight

10

Fix Recommendation

Configure the following registry value:

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

Value Name: bDisablePDFHandlerSwitching
Type: REG_DWORD
Value: 1

Configure the policy value for Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Continuous > Preferences > General > 'Disable PDF handler switching' to 'Enabled'.

Check Contents

Verify the following registry configuration:

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

Value Name: bDisablePDFHandlerSwitching
Type: REG_DWORD
Value: 1

If the value for bDisablePDFHandlerSwitching is not set to “1” and Type is not configured to REG_DWORD or does not exist, this is a finding.

GUI path: Edit > Preferences > General > Verify the 'Select As Default PDF Handler' option is greyed out (locked). If the option is not greyed out, this is a finding.

Admin Template path: Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Continuous > Preferences > General > 'Disable PDF handler switching' must be set to 'Enabled'.

Vulnerability Number

V-213130

Documentable

False

Rule Version

AADC-CN-001280

Severity Override Guidance

Verify the following registry configuration:

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

Value Name: bDisablePDFHandlerSwitching
Type: REG_DWORD
Value: 1

If the value for bDisablePDFHandlerSwitching is not set to “1” and Type is not configured to REG_DWORD or does not exist, this is a finding.

GUI path: Edit > Preferences > General > Verify the 'Select As Default PDF Handler' option is greyed out (locked). If the option is not greyed out, this is a finding.

Admin Template path: Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Continuous > Preferences > General > 'Disable PDF handler switching' must be set to 'Enabled'.

Check Content Reference

M

Target Key

3973