VUPEN Security Research - Adobe Flash Player RTMP Data Processing Object Confusion Code Execution (CVE-2013-2555) Website : http://www.vupen.com Twitter : http://twitter.com/vupen I. BACKGROUND --------------------- Adobe Flash Player is a cross-platform browser-based application runtime that delivers viewing of expressive applications, content, and videos across screens and browsers. It is installed on 98% of computers. II. DESCRIPTION --------------------- VUPEN Vulnerability Research Team discovered a critical vulnerability in Adobe Flash Player. The vulnerability is caused by an object confusion error when processing malformed Real Time Messaging Protocol (RTMP) data received during the initial phase of communication with a server, which could be exploited by remote attackers to compromise a vulnerable system via a malicious web page. III. AFFECTED PRODUCTS --------------------------- Adobe Flash Player versions prior to 11.7.700.169 IV. Binary Analysis & Exploits/PoCs --------------------------------------- In-depth technical analysis of the vulnerability and a fully functional remote code execution exploit 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 ---------------- Upgrade to Flash Player version 11.7.700.169. VII. CREDIT -------------- This vulnerability was discovered by Nicolas Joly of VUPEN Security VIII. ABOUT VUPEN Security --------------------------- VUPEN is the leading provider of defensive and offensive cybersecurity intelligence and advanced vulnerability research. VUPEN solutions enable corporations and governments to manage risks, and protect critical networks and infrastructures against known and unknown vulnerabilities. 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/apsb13-11.html http://www.vupen.com/english/research.php X. DISCLOSURE TIMELINE ----------------------------- 2012-02-15 - Vulnerability Discovered by VUPEN 2013-03-06 - Vulnerability Exploited At Pwn2Own 2013 and Reported to Adobe 2013-04-17 - Public disclosure