Terminal Services is configured to use a common temporary folder for all sessions.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3455	5.044	SV-16954r1_rule		Medium

Description
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.

Description

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.

STIG	Date
Windows Vista Security Technical Implementation Guide	2016-06-03

Details

Check Text ( C-1899r1_chk )
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 (F-16024r1_fix)
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”.