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Mechanisms for removing zone information from file attachments must be hidden.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-226366 | WN12-UC-000010 | SV-226366r569184_rule | Medium |
| Description |
|---|
| Preserving zone of origin (internet, intranet, local, restricted) information on file attachments allows Windows to determine risk. This setting prevents users from manually removing zone information from saved file attachments. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide | 2020-10-15 |
Details
| Check Text ( C-28068r476942_chk ) |
|---|
| If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\Attachments\ Value Name: HideZoneInfoOnProperties Type: REG_DWORD Value: 1 |
| Fix Text (F-28056r476943_fix) |
|---|
| Configure the policy value for User Configuration -> Administrative Templates -> Windows Components -> Attachment Manager -> "Hide mechanisms to remove zone information" to "Enabled". |