Standard user accounts must only have Read permissions to the Winlogon registry key.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-RG-000001	WN12-RG-000001	WN12-RG-000001_rule		High

Description
Permissions on the Winlogon registry key must only allow privileged accounts to change registry values. If standard users have this capability, there is a potential for programs to run with elevated privileges when a privileged user logs on to the system.

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

Details

Check Text ( C-WN12-RG-000001_chk )
Navigate to the following registry key and review the assigned permissions: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon Standard user accounts and groups must only have Read permissions to this registry key. If any standard user accounts or groups have greater permissions, this is a finding. The default permissions satisfy this requirement.

Fix Text (F-WN12-RG-000001_fix)
Ensure only Read permissions are assigned to standard user accounts and groups for the following registry key. The default configuration satisfies this requirement. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon