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VUPEN Security Research - Microsoft Internet Explorer Animation Use-after-free Vulnerability (VUPEN-SR-2010-199)
From: "VUPEN Security Research" <advisories () vupen com>
Date: Thu, 16 Dec 2010 10:55:33 +0100

VUPEN Security Research - Microsoft Internet Explorer Animation Use-after-free Vulnerability (VUPEN-SR-2010-199)

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


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

""Microsoft Internet Explorer is a web browser developed by Microsoft and
included as part of the Microsoft Windows line of operating systems with
more than 60% of the worldwide usage share of web browsers." (Wikipedia)


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

VUPEN Vulnerability Research Team discovered a critical vulnerability
in Microsoft Internet Explorer.

The vulnerability is caused by a use-after-free vulnerability when handling
certain animation behaviours, which could be exploited by remote attackers
to execute arbitrary code by tricking a user into visiting a malicious web
page.


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

Internet Explorer 6 for Windows XP Service Pack 3
Internet Explorer 6 for Windows XP Professional x64 Edition Service Pack 2
Internet Explorer 6 for Windows Server 2003 Service Pack 2
Internet Explorer 6 for Windows Server 2003 x64 Edition Service Pack 2
Internet Explorer 6 for Windows Server 2003 SP2 (Itanium)


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

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

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


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

Organizations and corporations which are members of the VUPEN Threat
Protection Program (TPP) have been alerted about the vulnerability when it
was discovered by VUPEN, and have received a detailed detection guidance
to proactively protect national and critical infrastructures against
potential attacks exploiting this vulnerability:

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


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

Apply MS10-090 security updates.


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.microsoft.com/technet/security/bulletin/ms10-090.mspx
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3343


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

2010-04-29 - Vendor notified
2010-04-29 - Vendor response
2010-12-01 - Status update received
2010-12-14 - Coordinated disclosure



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