VUPEN Security Research - Adobe Acrobat and Reader BMP Dimensions Heap Overflow Vulnerability Website : http://www.vupen.com/english/research.php Twitter : http://twitter.com/vupen I. BACKGROUND --------------------- "Adobe Acrobat and Reader are the global standards for electronic document sharing. They are used to create, view, search, digitally sign, verify, print, and collaborate on Adobe PDF files." II. DESCRIPTION --------------------- VUPEN Vulnerability Research Team discovered a critical vulnerability in Adobe Acrobat and Reader. The vulnerability is caused by a heap overflow error when processing malformed BMP data within a PDF document, which could be exploited by attackers to compromise a vulnerable system by tricking a user into opening a specially crafted PDF file. III. AFFECTED PRODUCTS --------------------------- Adobe Acrobat and Reader X (10.1) and prior Adobe Acrobat and Reader 9.4.5 and prior Adobe Acrobat and Reader 8.3 and prior 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 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 ---------------- Upgrade to Adobe Acrobat and Reader X (10.1.1), Adobe Acrobat and Reader v9.4.6 or Adobe Acrobat and Reader v8.3.1. 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 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 recently recognized as "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.adobe.com/support/security/bulletins/apsb11-24.html http://www.vupen.com/english/research.php X. DISCLOSURE TIMELINE ----------------------------- 2011-07-12 - Vulnerability Discovered by VUPEN and shared with TPP customers 2011-09-14 - Public disclosure