STIGQter: STIG Summary: Microsoft Internet Explorer 11 Security Technical Implementation Guide Version: 1 Release: 19 Benchmark Date: 24 Jul 2020:

Websites in less privileged web content zones must be prevented from navigating into the Restricted Sites zone.

DISA Rule

SV-59559r1_rule

Vulnerability Number

V-46695

Group Title

DTBI520-IE11-Less privileged web content - Restricted Sites

Rule Version

DTBI520-IE11

Severity

CAT II

CCI(s)

• CCI-001414 - The information system enforces approved authorizations for controlling the flow of information between interconnected systems based on organization-defined information flow control policies.

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Web sites in less privileged Web content zones can navigate into this zone' to 'Enabled', and select 'Disable' from the drop-down box.

Check Contents

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Web sites in less privileged Web content zones can navigate into this zone' must be 'Enabled', and 'Disable' selected from the drop-down box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value "2101" is REG_DWORD = 3, this is not a finding.

Vulnerability Number

V-46695

Documentable

False

Rule Version

DTBI520-IE11

Severity Override Guidance

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Web sites in less privileged Web content zones can navigate into this zone' must be 'Enabled', and 'Disable' selected from the drop-down box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value "2101" is REG_DWORD = 3, this is not a finding.

Check Content Reference

M

Target Key

2589

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