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Remote Desktop Services must be configured to use session-specific temporary folders.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-3455 | WN12-CC-000104 | SV-52900r1_rule | Medium |
| Description |
|---|
| If a communal temporary folder is used for remote desktop sessions, it might be possible for users to access other users' temporary folders. If this setting is enabled, only one temporary folder is used for all remote desktop sessions. Per session temporary folders must be established. |
| STIG | Date |
|---|---|
| Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide | 2017-12-05 |
Details
| Check Text ( C-47217r2_chk ) |
|---|
| If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Microsoft\Windows NT\Terminal Services\ Value Name: PerSessionTempDir Type: REG_DWORD Value: 1 |
| Fix Text (F-45826r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Temporary Folders -> "Do not use temporary folders per session" to "Disabled". |