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File downloads must be disallowed (Restricted Sites zone).


Overview

Finding ID Version Rule ID IA Controls Severity
V-46583 DTBI119-IE11 SV-59447r1_rule DCMC-1 Medium
Description
Sites located in the Restricted Sites Zone are more likely to contain malicious payloads and therefore downloads from this zone should be blocked. Files should not be able to be downloaded from sites that are considered restricted. This policy setting allows you to manage whether file downloads are permitted from the zone. This option is determined by the zone of the page with the link causing the download, not the zone from which the file is delivered.
STIG Date
Microsoft Internet Explorer 11 Security Technical Implementation Guide 2018-06-08

Details

Check Text ( C-49749r2_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Allow file downloads' 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 "1803" is REG_DWORD = 3, this is not a finding.
Fix Text (F-50353r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> 'Allow file downloads' to 'Enabled', and select 'Disable' from the drop-down box.