STIGQter: STIG Summary: Windows 10 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Remote calls to the Security Account Manager (SAM) must be restricted to Administrators.

DISA Rule

SV-220933r569187_rule

Vulnerability Number

V-220933

Group Title

SRG-OS-000324-GPOS-00125

Rule Version

WN10-SO-000167

Severity

CAT II

CCI(s)

• CCI-002235 - The information system prevents non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

Weight

10

Fix Recommendation

Navigate to the policy Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Restrict clients allowed to make remote calls to SAM".

Select "Edit Security" to configure the "Security descriptor:".

Add "Administrators" in "Group or user names:" if it is not already listed (this is the default).

Select "Administrators" in "Group or user names:".

Select "Allow" for "Remote Access" in "Permissions for "Administrators".

Click "OK".

The "Security descriptor:" must be populated with "O:BAG:BAD:(A;;RC;;;BA) for the policy to be enforced.

Check Contents

Windows 10 v1507 LTSB version does not include this setting, it is NA for those systems.

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\Control\Lsa\

Value Name: RestrictRemoteSAM

Value Type: REG_SZ
Value: O:BAG:BAD:(A;;RC;;;BA)

Vulnerability Number

V-220933

Documentable

False

Rule Version

WN10-SO-000167

Severity Override Guidance

Windows 10 v1507 LTSB version does not include this setting, it is NA for those systems.

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\Control\Lsa\

Value Name: RestrictRemoteSAM

Value Type: REG_SZ
Value: O:BAG:BAD:(A;;RC;;;BA)

Check Content Reference

M

Target Key

4072

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