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             AUSCERT External Security Bulletin Redistribution

Vulnerability in OLE Automation Could Allow Remote Code Execution (2802968)
                             13 February 2013


        AusCERT Security Bulletin Summary

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows XP
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-1313  

Original Bulletin: 

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

Microsoft Security Bulletin MS13-020 - Critical

Vulnerability in OLE Automation Could Allow Remote Code Execution (2802968)

Published Date: February 12, 2013

Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in Microsoft
Windows Object Linking and Embedding (OLE) Automation. The vulnerability could
allow remote code execution if a user opens a specially crafted file. An 
attacker who successfully exploited the 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 Windows XP Service Pack 3. 

Affected Software
Windows XP Service Pack 3 

Vulnerability Information

OLE Automation Remote Code Execution Vulnerability - CVE-2013-1313

A remote code execution vulnerability exists in the way that Object Linking and
Embedding (OLE) Automation allocates memory. 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. Users whose accounts are configured 
to have fewer user rights on the system could be less affected than users who 
operate with administrative user rights.

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