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

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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26070	2.023	SV-33307r2_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
Windows Vista Security Technical Implementation Guide	2016-08-12

Details

Check Text ( C-66317r1_chk )
Run "Regedit". Navigate to the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ Review the permissions. If the default permissions listed below have been changed, this is a finding. Users - Read Administrators - Full Control SYSTEM - Full Control CREATOR OWNER - Special (Special = Full Control - Subkeys only)

Fix Text (F-71705r1_fix)
Maintain the default permissions of the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ Users - Read Administrators - Full Control SYSTEM - Full Control CREATOR OWNER - Special (Special = Full Control - Subkeys only)