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ESB-2014.0722 - [Win] Windows Shell: Increased privileges - Existing account

Date: 14 May 2014

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0722
       Vulnerability in Windows Shell Handler Could Allow Elevation
                          of Privilege (2962488)
                                14 May 2014

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Windows Shell
Publisher:         Microsoft
Operating System:  Windows Server 2003
                   Windows Vista
                   Windows Server 2008
                   Windows 7
                   Windows Server 2008 R2
                   Windows 8
                   Windows 8.1
                   Windows Server 2012
                   Windows Server 2012 R2
                   Windows RT
                   Windows RT 8.1
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-1807  

Original Bulletin: 
   http://technet.microsoft.com/en-us/security/bulletin/ms14-027

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

Microsoft Security Bulletin - MS14-027 - Important

Vulnerability in Windows Shell Handler Could Allow Elevation of Privilege 
(2962488)

Published Date: May 13, 2014

Version: 1.0

General Information

Executive Summary 

This security update resolves a privately reported vulnerability in Microsoft 
Windows. The vulnerability could allow elevation of privilege if an attacker 
runs a specially crafted application that uses ShellExecute. An attacker must 
have valid logon credentials and be able to log on locally to exploit this 
vulnerability.

This security update is rated Important for all supported releases of Windows. 

Affected Software 

Windows Server 2003
Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8
Windows 8.1
Windows Server 2012 
Windows Server 2012 R2
Windows RT 
Windows RT 8.1

Vulnerability Information

Windows Shell File Association Vulnerability - CVE-2014-1807

An elevation of privilege vulnerability exists when the Windows Shell 
improperly handles file associations. An attacker who successfully exploited 
this vulnerability could run arbitrary code in the context of the Local System 
account. An attacker could then install programs; view, change, or delete data; 
or create new accounts with full administrative rights.

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

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        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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