STIGQter: STIG Summary: Google Chrome Current Windows Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

Extensions installation must be blocklisted by default.

DISA Rule

SV-221562r684815_rule

Vulnerability Number

V-221562

Group Title

SRG-APP-000089

Rule Version

DTBC-0005

Severity

CAT II

CCI(s)

• CCI-000169 - The information system provides audit record generation capability for the auditable events defined in AU-2 a. at organization-defined information system components.

Weight

10

Fix Recommendation

Windows group policy:
1. Open the group policy editor tool with gpedit.msc
2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Google\Google Chrome\Extensions\
Policy Name: Configure extension installation blocklist
Policy State: Enabled
Policy Value: *

Check Contents

Universal method:
1. In the omnibox (address bar) type chrome://policy
2. If ExtensionInstallBlocklist is not displayed under the Policy Name column or it is not set to * under the Policy Value column, then this is a finding.

Windows method:
1. Start regedit
2. Navigate to HKLM\Software\Policies\Google\Chrome\ExtensionInstallBlocklist
3. If the a registry value name of 1 does not exist under that key or its value is not set to *, then this is a finding.

Vulnerability Number

V-221562

Documentable

False

Rule Version

DTBC-0005

Severity Override Guidance

Universal method:
1. In the omnibox (address bar) type chrome://policy
2. If ExtensionInstallBlocklist is not displayed under the Policy Name column or it is not set to * under the Policy Value column, then this is a finding.

Windows method:
1. Start regedit
2. Navigate to HKLM\Software\Policies\Google\Chrome\ExtensionInstallBlocklist
3. If the a registry value name of 1 does not exist under that key or its value is not set to *, then this is a finding.

Check Content Reference

M

Target Key

4081

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