Navigate sub-frames across different domains for restricted sites zone are not disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-6304	DTBI129	SV-16454r1_rule	ECSC-1	Medium

Description
Frames that navigate across different domains are a security concern because the user may think they are accessing pages on one site while they are actually accessing pages on another site.

STIG	Date
Microsoft IE Version 7	2015-12-17

Details

Check Text ( C-14693r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Navigate sub-frames across different domains" will be set to “Enabled” and "Disable" selected from down drop 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 1607 is REG_DWORD = 3, this is not a finding.

Fix Text (F-15242r1_fix)

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Navigate sub-frames across different domains" will be set to “Enabled” and "Disable" selected from down drop box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1607 to REG_DWORD = 3.