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Adobe Reader DC must block Flash Content.


Overview

Finding ID Version Rule ID IA Controls Severity
V-213175 ARDC-CN-000045 SV-213175r395811_rule Medium
Description
Flash content is commonly hosted on a web page, but it can also be embedded in PDF and other documents. Flash could be used to surreptitious install malware on the end-users computer. Flash Content restricts Adobe Reader DC not to play Flash content within a PDF. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210
STIG Date
Adobe Acrobat Reader DC Continuous Track Security Technical Implementation Guide 2021-06-22

Details

Check Text ( C-14410r276743_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: bEnableFlash
Type: REG_DWORD
Value: 0

If the value for bEnableFlash is not set to “0” and Type configured to REG_DWORD or does not exist, then this is a finding.
Fix Text (F-14408r276744_fix)
Configure the following registry value:

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

Value Name: bEnableFlash
Type: REG_DWORD
Value: 0