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Adobe Reader DC must disable the ability to change the Default Handler.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-64935 | ARDC-CN-000050 | SV-79425r1_rule | Low |
| Description |
|---|
| 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. |
| STIG | Date |
|---|---|
| Adobe Acrobat Reader DC Continuous Track Security Technical Implementation Guide | 2018-03-14 |
Details
| Check Text ( C-65593r2_chk ) |
|---|
| Verify the following registry configuration: Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\DC\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. |
| Fix Text (F-70875r2_fix) |
|---|
| Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\DC\FeatureLockDown Value Name: bDisablePDFHandlerSwitching Type: REG_DWORD Value: 1 |