Scripting of Internet Explorer web browser control property must be disallowed (Internet zone).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22152	DTBI800	SV-40712r1_rule	ECSC-1	Medium

Description
This policy setting controls whether a page may control embedded WebBrowser Controls via script. Scripted code hosted on sites located in this zone are more likely to contain malicious code. If you enable this policy setting, script access to the WebBrowser Control is allowed. If you disable this policy setting, script access to the WebBrowser Control is not allowed. If you do not configure this policy setting, script access to the WebBrowser Control can be enabled or disabled by the user. By default, script access to the WebBrowser control is only allowed in the Local Machine and Intranet Zones.

Description

This policy setting controls whether a page may control embedded WebBrowser Controls via script. Scripted code hosted on sites located in this zone are more likely to contain malicious code. If you enable this policy setting, script access to the WebBrowser Control is allowed. If you disable this policy setting, script access to the WebBrowser Control is not allowed. If you do not configure this policy setting, script access to the WebBrowser Control can be enabled or disabled by the user. By default, script access to the WebBrowser control is only allowed in the Local Machine and Intranet Zones.

STIG	Date
Internet Explorer 9 Security Technical Implementation Guide	2015-06-30

Details

Check Text ( C-39441r1_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Internet Zone -> “Allow scripting of Internet Explorer web browser control” 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\3 Criteria: If the value 1206 is REG_DWORD = 3, this is not a finding.

Check Text ( C-39441r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Internet Zone -> “Allow scripting of Internet Explorer web browser control” 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\3

Criteria: If the value 1206 is REG_DWORD = 3, this is not a finding.

Fix Text (F-34568r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Internet Zone -> “Allow scripting of Internet Explorer web browser control” to “Enabled” and select “Disable” from the drop-down box.