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  1. Security Guide Library
  2. Adobe Acrobat Reader DC Classic Track Security Technical Implementation Guide
  3. V-65777

V-65777

Adobe Reader DC must disable the ability to change the Default Handler.

Finding ID
ARDC-CL-000050
Rule ID
SV-80267r1_rule
Severity
Cat III
CCE
(None)
Group Title
SRG-APP-000133
CCI
CCI-001499
Target Key
(None)
Documentable
No
Discussion

Allowing user to make changes to an application case cause a security risk. When the Default PDF Handler is disabled, the end users will not be able to change the default PDF viewer.

Fix Text

Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown Value Name: bDisablePDFHandlerSwitching Type: REG_DWORD Value: 1

Check Content

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

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