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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26503	WN08-UR-000039	SV-48512r2_rule	ECLP-1	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 8/8.1 Security Technical Implementation Guide	2017-02-27

Details

Check Text ( C-45163r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.) Expand the Security Configuration and Analysis tree view. Navigate to 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

Check Text ( C-45163r1_chk )

Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.)
Expand the Security Configuration and Analysis tree view.
Navigate to 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-41635r1_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