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             AUSCERT External Security Bulletin Redistribution

           Vulnerability in Group Policy Preferences Could Allow
                     Elevation of Privilege (2962486)
                                14 May 2014


        AusCERT Security Bulletin Summary

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows Vista
                   Windows Server 2008
                   Windows 7
                   Windows Server 2008 R2
                   Windows 8
                   Windows 8.1
                   Windows Server 2012
                   Windows Server 2012 R2
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-1812  

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------

Microsoft Security Bulletin - MS14-025 - Important

Vulnerability in Group Policy Preferences Could Allow Elevation of Privilege 

Published Date: 13 May, 2014

Version: 1.0

General Information

Executive Summary

This security update resolves a publicly disclosed vulnerability in Microsoft 
Windows. The vulnerability could allow elevation of privilege if Active 
Directory Group Policy preferences are used to distribute passwords across the 
domain - a practice that could allow an attacker to retrieve and decrypt the 
password stored with Group Policy preferences.

This security update is rated Important for Remote Server Administration Tools 
when installed on affected editions of Windows Vista, Windows 7, Windows 8, 
and Windows 8.1. The update is also rated Important for all affected editions 
of Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, and 
Windows Server 2012 R2. 

Affected Software

Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8
Windows 8.1
Windows Server 2012 
Windows Server 2012 R2

Vulnerability Information

Group Policy Preferences Password Elevation of Privilege Vulnerability - 

An elevation of privilege vulnerability exists in the way that Active 
Directory distributes passwords that are configured using Group Policy 
preferences. An authenticated attacker who successfully exploited the 
vulnerability could decrypt the passwords and use them to elevate 
privileges on the domain.

- --------------------------END INCLUDED TEXT--------------------

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