Zone information must be preserved when saving attachments.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-226365 | WN12-UC-000009 | SV-226365r794685_rule | Medium |
| Description |
|---|
| Preserving zone of origin (internet, intranet, local, restricted) information on file attachments allows Windows to determine risk. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide | 2022-03-01 |
Details
| Check Text ( C-28067r476939_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: SaveZoneInformation Type: REG_DWORD Value: 2 |
| Fix Text (F-28055r476940_fix) |
|---|
| Configure the policy value for User Configuration -> Administrative Templates -> Windows Components -> Attachment Manager -> "Do not preserve zone information in file attachments" to "Disabled". |