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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0663
           Vulnerability in Microsoft Office for Mac Could Allow
                     Elevation of Privilege (2721015)
                               10 July 2012

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

Product:           Microsoft Office for Mac 2011
Publisher:         Microsoft
Operating System:  Mac OS X
Impact/Access:     Administrator Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-1894  

Original Bulletin: 
   http://technet.microsoft.com/en-us/security/bulletin/MS12-051

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Microsoft Security Bulletin MS12-051 - Important

Vulnerability in Microsoft Office for Mac Could Allow Elevation of Privilege 
(2721015)

Published Date: July 10, 2012

Version: 1.0

General Information

Executive Summary

This security update resolves one publicly disclosed vulnerability in Microsoft 
Office for Mac. The vulnerability could allow elevation of privilege if a 
malicious executable is placed on an affected system by an attacker, and then 
another user logs on later and runs the malicious executable. 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 Microsoft Office for Mac 2011. For 
more information, see the subsection, Affected and Non-Affected Software, in 
this section.

Affected Software

Microsoft Office for Mac 2011

Vulnerability Information

Office for Mac Improper Folder Permissions Vulnerability - CVE-2012-1894

An elevation of privilege vulnerability exists in the way that folder 
permissions are set in certain Microsoft Office for Mac installations. An 
attacker could place a malicious executable in the Microsoft Office 2011 
folder. If a user later logs on and runs the malicious executable, attacker-
provided code can be made to execute in the security context of the current 
user. If the user runs the malicious executable as an administrator, the
attacker could take complete control over an affected system. An attacker 
could then install programs; view, change, or delete data; or create new 
accounts with full user rights. The attacker would only be able to gain 
elevated privileges on the affected Mac computer if a user executed the 
malicious executable. This is not a direct elevation of privilege, but 
rather it is a luring attack.

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