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Message-ID: <ACBAB1937C6C4E7F841BF115CD7DDD8C@unknown> Date: Fri, 17 Jun 2011 15:45:48 +0200 From: "VUPEN Security Research" <advisories@...en.com> To: <bugtraq@...urityfocus.com> Subject: VUPEN Security Research - Microsoft Windows OLE Automation Integer Underflow Vulnerability (MS11-038) VUPEN Security Research - Microsoft Windows OLE Automation Integer Underflow Vulnerability (MS11-038) 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 Windows. The vulnerability is caused by an integer underflow error in the Object Linking and Embedding (OLE) Automation component when processing malformed Windows Metafile (WMF) data via the "_PictLoadMetaFileRaw()" function, which could be exploited by remote attackers to compromise a vulnerable system by tricking a user into visiting a specially crafted web page. CVSS Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C) CVE: CVE-2011-0658 III. AFFECTED PRODUCTS --------------------------- Microsoft Windows 7 (32-bit) Microsoft Windows 7 (x64) Microsoft Windows Server 2003 Service Pack 2 Microsoft Windows Server 2003 SP2 (Itanium) Microsoft Windows Server 2003 x64 Edition Service Pack 2 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 Server 2008 R2 (Itanium) Microsoft Windows Server 2008 R2 (x64) 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 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 proof-of-concept code are available through the VUPEN Binary Analysis & Exploits Service : 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 ----------------------------------- 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 MS11-038 security updates. VII. CREDIT -------------- This vulnerability was discovered by Nicolas Joly of VUPEN Security VIII. ABOUT VUPEN Security --------------------------- VUPEN is the world leader in vulnerability research for defensive and offensive 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 recently recognized as "Entrepreneurial Company of the Year in the Vulnerability Research Market (2011)" 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://www.microsoft.com/technet/security/Bulletin/MS11-038.mspx http://www.vupen.com/english/research.php X. DISCLOSURE TIMELINE ----------------------------- 2010-08-05 - Vulnerability Discovered by VUPEN and shared with TPP customers 2011-06-14 - Public disclosure
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