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

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	2017-01-30

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)