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V-213171

CAT II (Medium)

Adobe Reader DC must enable Protected View.

Rule ID

SV-213171r395811_rule

STIG

Adobe Acrobat Reader DC Continuous Track Security Technical Implementation Guide

Version

V2R1

CCIs

CCI-001166, CCI-001169, CCI-001170, CCI-001662, CCI-001695

Discussion

A threat to users of Adobe Reader DC is opening a PDF file that contains malicious executable content. Protected view restricts Adobe Reader DC functionality, within a sandbox, when a PDF is opened from an untrusted source. This isolation of the PDFs reduces the risk of security breaches in areas outside the sandbox. Satisfies: SRG-APP-000112, SRG-APP-000206, SRG-APP-000207, SRG-APP-000209, SRG-APP-000210

Check Content

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: iProtectedView
Type: REG_DWORD
Value: 2

If the value for iProtectedView is not set to “2” and Type configured to REG_DWORD or does not exist, then this is a finding.

Fix Text

Configure the following registry value:

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

Value Name: iProtectedView
Type: REG_DWORD
Value: 2