Microsoft Office: Execute Arbitrary Code/Commands -- Remote with User Interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0765
         Vulnerability in Microsoft Office Could Allow for Remote
                         Code Execution (2731879)
                              15 August 2012

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

Product:           Microsoft Office
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-2524  

Original Bulletin: 
   http://technet.microsoft.com/en-us/security/bulletin/MS12-057

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Microsoft Security Bulletin MS12-057 - Important
Vulnerability in Microsoft Office Could Allow for Remote Code Execution 
(2731879)

Published Date: August 14, 2012

Version: 1.0

General Information

Executive Summary

This security update resolves one privately reported vulnerability in Microsoft
Office. The vulnerability could allow remote code execution if a user opens 
specially crafted file or embeds a specially crafted . Computer Graphics
Metafile (CGM) graphics file in to an Office file. 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 Important for all supported editions of Microsoft 
Office 2007 and Microsoft Office 2010. For more information, see the subsection,
Affected and Non-Affected Software, in this section.

Affected Software

Microsoft Office 2007 Service Pack 2 
Microsoft Office 2007 Service Pack 3 
Microsoft Office 2010 Service Pack 1 (32-bit editions) 
Microsoft Office 2010 Service Pack 1 (64-bit editions) 

Vulnerability Information

CGM File Format Memory Corruption Vulnerability - CVE-2012-2524

A remote code execution vulnerability exists in the way that Microsoft Office
handles specially crafted Computer Graphics Metafile (CGM) graphics files. An 
attacker who successfully exploited this vulnerability could take complete 
control of an affected system. An attacker could then install programs; view, 
change, or delete data; or create new accounts with full user rights.

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