STIGQter: STIG Summary: Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide Version: 3 Release: 2 Benchmark Date: 04 May 2021:

Local drives must be prevented from sharing with Remote Desktop Session Hosts. (Remote Desktop Services Role).

DISA Rule

SV-225380r569185_rule

Vulnerability Number

V-225380

Group Title

SRG-OS-000138-GPOS-00069

Rule Version

WN12-CC-000098

Severity

CAT II

CCI(s)

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

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Device and Resource Redirection -> "Do not allow drive redirection" to "Enabled".

Check Contents

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: fDisableCdm

Type: REG_DWORD
Value: 1

Vulnerability Number

V-225380

Documentable

False

Rule Version

WN12-CC-000098

Severity Override Guidance

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: fDisableCdm

Type: REG_DWORD
Value: 1

Check Content Reference

M

Target Key

4214

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