Unauthorized accounts must not have the Act as part of the operating system user right.

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Unauthorized accounts must not have the Act as part of the operating system user right.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1102	WN12-UR-000003	SV-52108r1_rule	ECLP-1	High

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Act as part of the operating system" user right can assume the identity of any user and gain access to resources that user is authorized to access. Any accounts with this right can take complete control of a system.

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

Details

Check Text ( C-46925r1_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 (to include administrators), are granted the "Act as part of the operating system" user right, this is a finding.

Fix Text (F-45133r1_fix)
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).