VUPEN Security Research - Microsoft Windows Common Controls MSCOMCTL.OCX
Use-after-free (CVE-2012-1856 / MS12-060)

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

Twitter : http://twitter.com/vupen


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 products.

The vulnerability is caused by a use-after-free error in the "TabStrip"
Control within the "MSCOMCTL.OCX" component, which could allow remote
attackers execute arbitrary code via a specially crafted web page or
malicious Office document.

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


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

Microsoft Office 2010 Service Pack 1
Microsoft Office 2007 Service Pack 3
Microsoft Office 2007 Service Pack 2
Microsoft Office 2003 Web Components Service Pack 3
Microsoft Office 2003 Service Pack 3
Microsoft Office XP Service Pack 3
Microsoft SQL Server 2008 R2
Microsoft SQL Server 2008
Microsoft SQL Server 2005
Microsoft SQL Server 2000
Microsoft Commerce Server 2009 R2
Microsoft Commerce Server 2009
Microsoft Commerce Server 2007 Service Pack 2
Microsoft Commerce Server 2002 Service Pack 4
Microsoft Host Integration Server 2004 Service Pack 1
Microsoft Visual FoxPro 8.0 Service Pack 1
Microsoft Visual FoxPro 9.0 Service Pack 2
Microsoft Visual Basic 6.0 Runtime


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

In-depth technical analysis of the vulnerability and a fully functional
exploit including ASLR/DEP bypass are available through the VUPEN BAE
(Binary Analysis & Exploits) portal:

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

VUPEN Binary Analysis & Exploits Service provides private exploits and
in-depth technical analysis of the most significant public vulnerabilities
based on disassembly, reverse engineering, protocol analysis, and code
audit.

The service allows governments and major corporations to evaluate risks, and
protect infrastructures and assets against new threats. The service also
allows security vendors (IPS, IDS, AntiVirus) to supplement their internal
research efforts and quickly develop both vulnerability-based and
exploit-based signatures to proactively protect their customers from attacks
and emerging threats.


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

Governments and major corporations which are members of the VUPEN Threat
Protection Program (TPP) have been proactively alerted about the
vulnerability
when it was discovered by VUPEN in advance of its public disclosure, and
have received a detailed attack detection guidance to protect national and
critical infrastructures against potential 0-day attacks exploiting this
vulnerability:

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


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

Apply MS12-060 security updates.


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

This vulnerability was discovered by Nicolas Joly of VUPEN Security


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

VUPEN is the leading provider of advanced vulnerability research for
defensive and offensive cyber security. VUPEN solutions enable corporations
and governments to measure and manage risks, eliminate vulnerabilities
before they can be exploited, and protect critical infrastructures and
assets against known and unknown vulnerabilities.

VUPEN has been recognized as "Company of the Year 2011 in the Vulnerability
Research Market" by Frost & Sullivan.

VUPEN solutions include:

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

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


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

http://technet.microsoft.com/en-us/security/bulletin/ms12-060
http://www.vupen.com


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

2010-09-06 - Vulnerability Discovered by VUPEN and shared with customers
2012-08-14 - Public disclosure