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AUSCERT External Security Bulletin Redistribution
ESB-2014.0721
Vulnerability in Group Policy Preferences Could Allow
Elevation of Privilege (2962486)
14 May 2014
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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:
http://technet.microsoft.com/en-us/security/bulletin/ms14-025
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Microsoft Security Bulletin - MS14-025 - Important
Vulnerability in Group Policy Preferences Could Allow Elevation of Privilege
(2962486)
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 -
CVE-2014-1812
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.
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