Title

Software channel permissions for restricted sites zone are not disabled. (Cat II impact)

Discussion

Software channel permissions must have level of protection based upon the site being accessed.

Check Content

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Software channel permissions" will be set to “Enabled” and "High Safety" selected from down drop 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 1E05 is REG_DWORD = 65536 (decimal), 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 -> "Software channel permissions" will be set to “Enabled” and "High Safety" selected from down drop box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1E05 to REG_DWORD = 65536 (decimal).

Additional Identifiers

Rule ID: SV-16456r1_rule

Vulnerability ID: V-6305

Group Title:

Expert Comments

CCIs tied to check.

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