Unauthorized accounts must not have the Increase a process working set user right.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26491	WN12-UR-000026	SV-53047r1_rule	ECLP-1	Medium

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Increase a process working set" user right can change the size of a process's working set, potentially causing performance issues or a DoS.

STIG	Date
Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide	2014-12-18

Details

Check Text ( C-47353r1_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 "Increase a process working set" user right, this is a finding: Administrators Local Service Window Manager\Window Manager Group

Check Text ( C-47353r1_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 "Increase a process working set" user right, this is a finding:

Administrators
Local Service
Window Manager\Window Manager Group

Fix Text (F-45973r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Increase a process working set" to only include the following accounts or groups: Administrators Local Service Window Manager\Window Manager Group