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Navigating windows and frames across different domains must be disallowed (Restricted Sites zone).


Overview

Finding ID Version Rule ID IA Controls Severity
V-46599 DTBI129-IE11 SV-59463r1_rule ECSC-1 Medium
Description
Frames navigating 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. It is possible that a website hosting malicious content could use this feature in a manner similar to cross-site scripting (XSS). This policy setting allows you to manage the opening of sub-frames and access of applications across different domains.
STIG Date
Microsoft Internet Explorer 11 Security Technical Implementation Guide 2017-01-04

Details

Check Text ( C-49765r2_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Navigate windows and frames across different domains' 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 "1607" is REG_DWORD = 3, this is not a finding.
Fix Text (F-50369r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Navigate windows and frames across different domains' to 'Enabled', and select 'Disable' from the drop-down box.