Terminal Services is configured to use a common temporary folder for all sessions (Terminal Server Role).

From Windows 2008 Member Server Security Technical Implementation Guide

Part of TS/RDS - Do Not Use Temp Folders

Associated with: CCI-000366

SV-29101r1_rule Terminal Services is configured to use a common temporary folder for all sessions (Terminal Server Role).

Vulnerability discussion

This setting, which is located under the Temporary Folders section of the Terminal Services configuration option, controls the use of per session temporary folders or of a communal temporary folder. If this setting is enabled, only one temporary folder is used for all terminal services sessions. If a communal temporary folder is used, it might be possible for users to access other users temporary folders.

Check content

If the following registry value doesn’t exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\Windows NT\Terminal Services\ Value Name: PerSessionTempDir Type: REG_DWORD Value: 1

Fix text

2008/Vista - Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Terminal Services -> Terminal Server -> Temporary Folders “Do Not Use Temp Folders per Session” will be set to “Disabled”.

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