Adobe Reader DC must block access to Unknown Websites.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-213173 | SRG-APP-000112 | ARDC-CN-000030 | SV-213173r395811_rule | 2021-06-22 | 2 |
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
ℹ️ Check
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
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