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Microsoft Windows Shell Graphics BMP "height" Integer Overflow

Microsoft Windows Shell Graphics BMP "height" Integer Overflow
Posted Feb 14, 2011
Authored by Nicolas Joly, VUPEN | Site vupen.com

VUPEN Vulnerability Research Team discovered a critical vulnerability in Microsoft Windows. The vulnerability is caused by an integer overflow error in the Windows Shell graphics processor when parsing the "height" value within BMP images, which could be exploited by remote attackers to compromise a vulnerable system by tricking a user into opening or previewing a malformed Office file or browsing to a network share, UNC, or WebDAV location containing a specially crafted image.

tags | advisory, remote, overflow, shell
systems | windows
SHA-256 | 9a72023ae91a8044eca541def5bf1939d6dd53c305c5ed8be72523cab22c8350

Microsoft Windows Shell Graphics BMP "height" Integer Overflow

Change Mirror Download
VUPEN Security Research - Microsoft Windows Shell Graphics BMP "height" 
Integer Overflow Vulnerability

http://www.vupen.com/english/research.php


I. BACKGROUND
---------------------

"Microsoft Windows is a series of software operating systems and graphical
user interfaces produced by Microsoft. Windows had approximately 90% of
the market share of the client operating systems." (Wikipedia)


II. DESCRIPTION
---------------------

VUPEN Vulnerability Research Team discovered a critical vulnerability
in Microsoft Windows.

The vulnerability is caused by an integer overflow error in the Windows
Shell graphics processor when parsing the "height" value within BMP images,
which could be exploited by remote attackers to compromise a vulnerable
system by tricking a user into opening or previewing a malformed Office
file or browsing to a network share, UNC, or WebDAV location containing
a specially crafted image.

CVSS Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


III. AFFECTED PRODUCTS
---------------------------

Microsoft Windows Server 2008 (32-bit)
Microsoft Windows Server 2008 (32-bit) Service Pack 2
Microsoft Windows Server 2008 (Itanium)
Microsoft Windows Server 2008 (Itanium) Service Pack 2
Microsoft Windows Server 2008 (x64)
Microsoft Windows Server 2008 (x64) Service Pack 2
Microsoft Windows Vista Service Pack 1
Microsoft Windows Vista Service Pack 2
Microsoft Windows Vista x64 Edition Service Pack 1
Microsoft Windows Vista x64 Edition Service Pack 2
Microsoft Windows Server 2003 Service Pack 2
Microsoft Windows Server 2003 SP2 (Itanium)
Microsoft Windows Server 2003 x64 Edition Service Pack 2
Microsoft Windows XP Professional x64 Edition Service Pack 2
Microsoft Windows XP Service Pack 3


IV. Binary Analysis & Exploits/PoCs
---------------------------------------

In-depth binary analysis of the vulnerability and a code execution exploit
are available through the VUPEN Binary Analysis & Exploits Service :

http://www.vupen.com/english/services/ba-index.php


V. VUPEN Threat Protection Program
-----------------------------------

To proactively protect critical networks and infrastructures against
unpatched
vulnerabilities and reduce risks related to zero-day attacks, VUPEN shares
its
vulnerability research with governments and organizations members of the
VUPEN
Threat Protection Program (TPP).

VUPEN TPP customers receive fully detailed and technical reports about
security
vulnerabilities discovered by VUPEN and in advance of their public
disclosure.

http://www.vupen.com/english/services/tpp-index.php


VI. SOLUTION
----------------

Apply the MS11-006 security update.


VII. CREDIT
--------------

This vulnerability was discovered by Nicolas Joly of VUPEN Security


VIII. ABOUT VUPEN Security
---------------------------

VUPEN is a leading IT security research company providing vulnerability
management and security intelligence solutions which enable enterprises
and institutions to eliminate vulnerabilities before they can be exploited,
ensure security policy compliance and meaningfully measure and manage risks.

Governmental and federal agencies, and global enterprises in the financial
services, insurance, manufacturing and technology industries rely on VUPEN
to improve their security, prioritize resources, cut time and costs, and
stay ahead of the latest threats.

* VUPEN Vulnerability Notification Service (VNS) :
http://www.vupen.com/english/services/vns-index.php

* VUPEN Binary Analysis & Exploits Service (BAE) :
http://www.vupen.com/english/services/ba-index.php

* VUPEN Threat Protection Program for Govs (TPP) :
http://www.vupen.com/english/services/tpp-index.php

* VUPEN Web Application Security Scanner (WASS) :
http://www.vupen.com/english/services/wass-index.php


IX. REFERENCES
----------------------

http://www.vupen.com/english/research-vuln.php
http://www.vupen.com/english/advisories/2011/0018
http://www.microsoft.com/technet/security/bulletin/MS11-006.mspx


X. DISCLOSURE TIMELINE
-----------------------------

2011-01-15 - Vulnerability Discovered by VUPEN
2011-02-08 - MS11-006 security update available

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