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-223057 | DTBI114-IE11 | SV-223057r879630_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 11 Security Technical Implementation Guide | 2023-12-01 |
Details
| Check Text (C-24730r428721_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-24718r428722_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. |