Windows: Execute Arbitrary Code/Commands -- Remote with User Interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.1174
       Vulnerability in Windows File Handling Component Could Allow
                      Remote Code Execution (2758857)
                             11 December 2012

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

Product:           Windows
Publisher:         Microsoft
Operating System:  Windows Server 2003
                   Windows Server 2008
                   Windows Server 2008 R2
                   Windows Vista
                   Windows XP
                   Windows 7
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-4774  

Original Bulletin: 
   http://technet.microsoft.com/en-us/security/bulletin/ms12-081

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Microsoft Security Bulletin MS12-081 - Critical

Vulnerability in Windows File Handling Component Could Allow Remote Code
Execution (2758857)

Published Date: December 11, 2012

Version: 1.0

General Information

Executive Summary 

This security update resolves a privately reported vulnerability in Microsoft
Windows. The vulnerability could allow remote code execution if a user browses
to a folder that contains a file or subfolder with a specially crafted name. An
attacker who successfully exploited this vulnerability could gain the same user
rights as the current user. Users whose accounts are configured to have fewer
user rights on the system could be less impacted than users who operate with
administrative user rights.

This security update is rated Critical for all supported editions of Windows
XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and
Windows Server 2008 R2. Windows 8, Windows Server 2012, and Window RT are not
affected by the vulnerability.

Affected Software

Windows XP Service Pack 3 
Windows XP Professional x64 Edition Service Pack 2 
Windows Server 2003 Service Pack 2 
Windows Server 2003 x64 Edition Service Pack 2 
Windows Server 2003 with SP2 for Itanium-based Systems 
Windows Vista Service Pack 2 
Windows Vista x64 Edition Service Pack 2 
Windows Server 2008 for 32-bit Systems Service Pack 2 
Windows Server 2008 for x64-based Systems Service Pack 2 
Windows Server 2008 for Itanium-based Systems Service Pack 2 
Windows 7 for 32-bit Systems
Windows 7 for 32-bit Systems Service Pack 1 
Windows 7 for x64-based Systems 
Windows 7 for x64-based Systems Service Pack 1 
Windows Server 2008 R2 for x64-based Systems 
Windows Server 2008 R2 for x64-based Systems Service Pack 1 
Windows Server 2008 R2 for Itanium-based Systems 
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core
installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core
installation) 
Windows Server 2008 R2 for x64-based Systems (Server Core installation) 
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core
installation) 

Vulnerability Information

Windows Filename Parsing Vulnerability - CVE-2012-4774

A remote code execution vulnerability exists in the way that Microsoft Windows
parses filenames. The vulnerability may corrupt memory in such a way that an
attacker could execute arbitrary code in the context of the current user.

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