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

The Server Message Block (SMB) v1 protocol must be disabled on the SMB server.

DISA Rule

SV-225260r569185_rule

Vulnerability Number

V-225260

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

WN12-00-000170

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> MS Security Guide >> "Configure SMBv1 Server" to "Disabled".

The system must be restarted for the change to take effect.

This policy setting requires the installation of the SecGuide custom templates included with the STIG package. "SecGuide.admx" and "SecGuide.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

Check Contents

This requirement specifically applies to Windows 2012 but can also be used for Windows 2012 R2.

Different methods are available to disable SMBv1 on Windows 2012 R2, if V-73805 is configured on Windows 2012 R2, this is NA.

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: \SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\

Value Name: SMB1

Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-225260

Documentable

False

Rule Version

WN12-00-000170

Severity Override Guidance

This requirement specifically applies to Windows 2012 but can also be used for Windows 2012 R2.

Different methods are available to disable SMBv1 on Windows 2012 R2, if V-73805 is configured on Windows 2012 R2, this is NA.

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: \SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\

Value Name: SMB1

Type: REG_DWORD
Value: 0x00000000 (0)

Check Content Reference

M

Target Key

4214

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