Allow binary and script behaviors must be disallowed (Restricted Sites zone).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-15545	DTBI575	SV-45098r1_rule		Medium

Description
This policy setting allows you to manage dynamic binary and script behaviors of components that encapsulate specific functionality for HTML elements, to which they were attached. If you enable this policy setting, binary and script behaviors are available. If you select Administrator approved in the drop-down box, only behaviors listed in the Admin-approved Behaviors under Binary Behaviors Security Restriction policy are available. If you disable this policy setting, binary and script behaviors are not available unless applications have implemented a custom security manager. If you do not configure this policy setting, binary and script behaviors are available.

Description

This policy setting allows you to manage dynamic binary and script behaviors of components that encapsulate specific functionality for HTML elements, to which they were attached. If you enable this policy setting, binary and script behaviors are available. If you select Administrator approved in the drop-down box, only behaviors listed in the Admin-approved Behaviors under Binary Behaviors Security Restriction policy are available. If you disable this policy setting, binary and script behaviors are not available unless applications have implemented a custom security manager. If you do not configure this policy setting, binary and script behaviors are available.

STIG	Date
Microsoft Internet Explorer 10 Security Technical Implementation Guide	2016-06-24

Details

Check Text ( C-42456r1_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Allow binary and script behaviors" 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 2000 is REG_DWORD = 3, this is not a finding.

Check Text ( C-42456r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Allow binary and script behaviors" 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 2000 is REG_DWORD = 3, this is not a finding.

Fix Text (F-38498r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Allow binary and script behaviors" to "Enabled", and select "Disable" from the drop-down box.