The Initialize and script ActiveX controls not marked as safe property must be disallowed (Restricted Sites zone).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-6291	DTBI114	SV-45403r1_rule		Medium

Description
ActiveX controls not marked safe for scripting should not be executed. Although this is not a complete security measure for a control to be marked safe for scripting, if a control is not marked safe, it should not be initialized and executed.

STIG	Date
Microsoft Internet Explorer 10 Security Technical Implementation Guide	2017-03-22

Details

Check Text ( C-42752r1_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Initialize and script ActiveX controls not marked as safe" 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 1201 is REG_DWORD = 3, this is not a finding.

Check Text ( C-42752r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Initialize and script ActiveX controls not marked as safe" 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 1201 is REG_DWORD = 3, this is not a finding.

Fix Text (F-38800r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Initialize and script ActiveX controls not marked as safe" to "Enabled", and select "Disable" from the drop-down box.