Title

The Navigate windows and frames across different domains are not set properly for the Restricted Sites Zone. (Cat II impact)

Discussion

Frames that navigate across different domains are a security concern, because users may think they are accessing pages on one site while they are actually accessing pages on another site.

Check Content

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Navigate windows and frames across different domains" will be set to “Enabled” and "Disable". 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 1607 is REG_DWORD = 3 (Disabled = 3), this is not a finding.

Fix Text

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Navigate windows and frames across different domains" will be set to “Enabled” and "Disable". Change the registry key HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1607 to REG_DWORD = 3 (Disabled = 3).

Additional Identifiers

Rule ID:

Vulnerability ID: V-6304

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.