UCF STIG Viewer Logo
Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

Zone information must be preserved when saving attachments.


Overview

Finding ID Version Rule ID IA Controls Severity
V-253478 WN11-UC-000020 SV-253478r829518_rule Medium
Description
Preserving zone of origin (internet, intranet, local, restricted) information on file attachments allows Windows to determine risk.
STIG Date
Microsoft Windows 11 Security Technical Implementation Guide 2022-08-31

Details

Check Text ( C-56931r829516_chk )
The default behavior is for Windows to mark file attachments with their zone information.

If it exists and is configured with a value of "1", this is a finding.

Registry Hive: HKEY_CURRENT_USER
Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments\

Value Name: SaveZoneInformation

Value Type: REG_DWORD
Value: 0x00000002 (2) (or if the Value Name does not exist)
Fix Text (F-56881r829517_fix)
The default behavior is for Windows to mark file attachments with their zone information.

To correct this, configure the policy value for User Configuration >> Administrative Templates >> Windows Components >> Attachment Manager >> "Do not preserve zone information in file attachments" to "Not Configured" or "Disabled".