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

Anonymous access to Named Pipes and Shares must be restricted.

DISA Rule

SV-225048r569186_rule

Vulnerability Number

V-225048

Group Title

SRG-OS-000138-GPOS-00069

Rule Version

WN16-SO-000300

Severity

CAT I

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 >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Restrict anonymous access to Named Pipes and Shares" 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: \SYSTEM\CurrentControlSet\Services\LanManServer\Parameters\

Value Name: RestrictNullSessAccess

Value Type: REG_DWORD
Value: 0x00000001 (1)

Vulnerability Number

V-225048

Documentable

False

Rule Version

WN16-SO-000300

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: \SYSTEM\CurrentControlSet\Services\LanManServer\Parameters\

Value Name: RestrictNullSessAccess

Value Type: REG_DWORD
Value: 0x00000001 (1)

Check Content Reference

M

Target Key

4205

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