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

The Act as part of the operating system user right must not be assigned to any groups or accounts.

DISA Rule

SV-225071r569186_rule

Vulnerability Number

V-225071

Group Title

SRG-OS-000324-GPOS-00125

Rule Version

WN16-UR-000030

Severity

CAT I

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

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Act as part of the operating system" to be defined but containing no entries (blank).

Check Contents

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment.

If any accounts or groups (to include administrators), are granted the "Act as part of the operating system" user right, this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt

Review the text file.

If any SIDs are granted the "SeTcbPrivilege" user right, this is a finding.

If an application requires this user right, this would not be a finding.

Vendor documentation must support the requirement for having the user right.

The requirement must be documented with the ISSO.

The application account must meet requirements for application account passwords, such as length (WN16-00-000060) and required frequency of changes (WN16-00-000070).

Passwords for accounts with this user right must be protected as highly privileged accounts.

Vulnerability Number

V-225071

Documentable

False

Rule Version

WN16-UR-000030

Severity Override Guidance

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment.

If any accounts or groups (to include administrators), are granted the "Act as part of the operating system" user right, this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt

Review the text file.

If any SIDs are granted the "SeTcbPrivilege" user right, this is a finding.

If an application requires this user right, this would not be a finding.

Vendor documentation must support the requirement for having the user right.

The requirement must be documented with the ISSO.

The application account must meet requirements for application account passwords, such as length (WN16-00-000060) and required frequency of changes (WN16-00-000070).

Passwords for accounts with this user right must be protected as highly privileged accounts.

Check Content Reference

M

Target Key

4205

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