Unauthorized accounts must not have the Create a token object user right.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-UR-000012	WN12-UR-000012	WN12-UR-000012_rule		High

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Create a token object" user right allows a process to create an access token. This could be used to provide elevated rights and compromise a system.

STIG	Date
Microsoft Windows Server 2012 Member Server Security Technical Implementation Guide	2013-07-25

Details

Check Text ( C-WN12-UR-000012_chk )
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 are granted the "Create a token object" user right, this is a finding. Severity Override: If an application requires this user right, this can be downgraded to a CAT III if the following conditions are met: Vendor documentation must support the requirement for having the user right. The requirement must be documented with the IAO. The application account must meet requirements for application account passwords, such as length (V-36661) and required changes frequency (V-36662).

Check Text ( C-WN12-UR-000012_chk )

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 are granted the "Create a token object" user right, this is a finding.

Severity Override: If an application requires this user right, this can be downgraded to a CAT III if the following conditions are met:
Vendor documentation must support the requirement for having the user right.
The requirement must be documented with the IAO.
The application account must meet requirements for application account passwords, such as length (V-36661) and required changes frequency (V-36662).

Fix Text (F-WN12-UR-000012_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Create a token object" to be defined but containing no entries (blank).