UCF STIG Viewer Logo

Adobe Reader DC must block access to Unknown Websites.


Overview

Finding ID Version Rule ID IA Controls Severity
V-213173 ARDC-CN-000030 SV-213173r395811_rule Medium
Description
Because Internet access is a potential security risk, clicking any unknown website link to the Internet poses a potential security risk. Malicious websites can transfer harmful content or silently gather data. 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-14408r276737_chk )
Verify the following registry configuration:

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

Value Name: iUnknownURLPerms
Type: REG_DWORD
Value: 3

If the value for iUnknownURLPerms is not set to “3” and Type configured to REG_DWORD or does not exist, then this is a finding.
Fix Text (F-14406r276738_fix)
Configure the following registry value:

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

Value Name: iUnknownURLPerms
Type: REG_DWORD
Value: 3