Unauthorized accounts must not have the Replace a process level token user right.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26503	WN12-UR-000039	SV-52121r2_rule		Medium

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Replace a process level token" user right allows one process or service to start another process or service with a different security access token. A user with this right could use this to impersonate another account.

STIG	Date
Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide	2016-12-19

Details

Check Text ( C-46939r1_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 other than the following are granted the "Replace a process level token" user right, this is a finding: Local Service Network Service

Fix Text (F-45146r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Replace a process level token" to only include the following accounts or groups: Local Service Network Service