Title

Allow installation of desktop items for restricted sites zone is not disabled. (Cat II impact)

Discussion

Installation of items 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 -> "Allow installation of desktop items" will be set to “Enabled” and "Disable" 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 1800 is REG_DWORD = 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 -> "Allow installation of desktop items" will be set to “Enabled” and "Disable" 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 1800 to REG_DWORD = 3.

Additional Identifiers

Rule ID: SV-16438r1_rule

Vulnerability ID: V-6302

Group Title:

Expert Comments

CCIs tied to check.

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