Title

Legacy filter functionality must be disallowed (Restricted Sites zone). (Cat II impact)

Discussion

This policy setting specifies whether Internet Explorer renders legacy visual filters in this zone. If you enable this policy setting, you can control whether or not Internet Explorer renders legacy filters by selecting Enable, or Disable under Options in Group Policy Editor. If you disable, or do not configure this policy setting, users can choose whether or not to render filters in this zone. Users can change this setting on the Security tab of the Internet Options dialog box. Filters are not rendered by default in this zone.

Check Content

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer-> Internet Control Panel-> Security Page-> Restricted Sites Zone "Render Legacy Filters" 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 270B is REG_DWORD = 3, this is not a finding.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer-> Internet Control Panel-> Security Page-> Restricted Sites Zone "Render Legacy Filters" to "Enabled", and select "Disabled".

Additional Identifiers

Rule ID: SV-45270r1_rule

Vulnerability ID: V-34490

Group Title: DTBI1050 - Legacy filters (Restricted Sites zone).

Expert Comments

CCIs tied to check.

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