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                                    CERT-Renater

                         Note d'Information No. 2011/VULN323
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DATE                      : 13/04/2011

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Systems running Microsoft Office XP Service Pack 3.

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http://www.microsoft.com/technet/security/Bulletin/MS11-029.mspx
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Microsoft Security Bulletin MS11-029 - Critical
Vulnerability in GDI+ Could Allow Remote Code Execution (2489979)
Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability in Microsoft
Windows GDI+. The vulnerability could allow remote code execution if a user
viewed a specially crafted image file using affected software or browsed a Web
site that contains specially crafted content. 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, and Windows Server 2008; and Important for
Microsoft Office XP Service Pack 3. For more information, see the subsection,
Affected and Non-Affected Software, in this section.

Affected Software

Microsoft Office XP Service Pack 3

Vulnerability Information

GDI+ Integer Overflow Vulnerability - CVE-2011-0041

A remote code execution vulnerability exists in the way that GDI+ handles
integer calculations. The vulnerability could allow remote code execution if a
  user opens a specially crafted EMF image file. 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 impacted than users who
operate with administrative user rights.

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