STIGQter: STIG Summary: Microsoft Windows Server 2016 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Local drives must be prevented from sharing with Remote Desktop Session Hosts.

DISA Rule

SV-224945r569186_rule

Vulnerability Number

V-224945

Group Title

SRG-OS-000138-GPOS-00069

Rule Version

WN16-CC-000380

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: 0x00000001 (1)

Vulnerability Number

V-224945

Documentable

False

Rule Version

WN16-CC-000380

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: 0x00000001 (1)

Check Content Reference

M

Target Key

4205

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