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Check: WN12-CC-000058

Microsoft Windows Server 2012/2012 R2 Member Server STIG: WN12-CC-000058 (in versions v3 r7 through v2 r7)

Title

The system must be configured to prevent unsolicited remote assistance offers. (Cat II impact)

Discussion

Remote assistance allows another user to view or take control of the local session of a user. Unsolicited remote assistance is help that is offered by the remote user. This may allow unauthorized parties access to the resources on the computer.

Check Content

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: fAllowUnsolicited Type: REG_DWORD Value: 0

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Remote Assistance -> "Configure Offer Remote Assistance" to "Disabled".

Additional Identifiers

Rule ID: SV-225353r569185_rule

Vulnerability ID: V-225353

Group Title: SRG-OS-000138-GPOS-00069

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CCIs

CCIs tied to check.

Number	Definition
CCI-001090	The information system prevents unauthorized and unintended information transfer via shared system resources.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
SC-4	Information In Shared Resources