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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 2016-06-03

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)