The software channel permissions must be configured with High Safety (Restricted Sites zone).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-6305	DTBI130	SV-45429r1_rule	DCMC-1	Medium

Description
Software channel permissions must have a level of protection based upon the site being accessed. This policy setting allows you to manage software channel permissions. Any setting lower than High Safety could cause a user to install software that includes malicious code.

STIG	Date
Microsoft Internet Explorer 10 Security Technical Implementation Guide	2012-12-21

Details

Check Text ( C-42778r1_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Software channel permissions" must be "Enabled", and "High Safety" 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 1E05 is REG_DWORD = 65536 (decimal), this is not a finding.

Check Text ( C-42778r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Software channel permissions" must be "Enabled", and "High Safety" 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 1E05 is REG_DWORD = 65536 (decimal), this is not a finding.

Fix Text (F-38826r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Software channel permissions" to "Enabled", and select "High Safety" from the drop-down box.