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VUPEN Security Research - Sun Java JDK/JRE Unpack200 Buffer Overflow Vulnerability

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VUPEN Security Research - Sun Java JDK/JRE Unpack200 Buffer Overflow Vulnerability http://www.vupen.com/english/research.php I. BACKGROUND --------------------- "Java is a programming language and computing platform released by Sun Microsystems. It is the underlying technology that powers state-of-the-art programs including utilities, games, and business applications. Java runs on more than 850 million personal computers worldwide, and on billions of devices worldwide, including mobile and TV devices." II. DESCRIPTION --------------------- VUPEN Vulnerability Research Team discovered a vulnerability in Sun Java JDK/JRE. The flaw is caused by a buffer overflow error within the Unpack200 component when processing malformed data, which could be exploited by attackers to execute arbitrary code via a malicious archive. III. AFFECTED PRODUCTS -------------------------------- Sun Java JDK version 6 Update 18 and prior Sun Java JDK version 5.0 Update 23 and prior Sun Java JRE version 6 Update 18 and prior Sun Java JRE version 5.0 Update 23 and prior Sun Java JRE version 1.4.2_25 and prior IV. Exploits - PoCs & Binary Analysis ---------------------------------------- In-depth binary analysis of the vulnerability and a proof-of-concept have been released by VUPEN through the VUPEN Binary Analysis & Exploits Service : http://www.vupen.com/exploits V. SOLUTION ---------------- Upgrade to Sun Java JDK and JRE 6 Update 19, JDK and JRE 5.0 Update 24, and JRE and SDK version 1.4.2_26 : http://www.oracle.com/technology/deploy/security/critical-patch-updates/javacpumar2010.html VI. CREDIT -------------- The vulnerability was discovered by Sebastien Renaud of VUPEN Security VII. 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: http://www.vupen.com/english/services * VUPEN Binary Analysis & Exploits Service : http://www.vupen.com/exploits VIII. REFERENCES ---------------------- http://www.vupen.com/english/advisories/2010/0747 http://www.oracle.com/technology/deploy/security/critical-patch-updates/javacpumar2010.html IX. DISCLOSURE TIMELINE ----------------------------------- 2009-10-22 - Vendor notified 2009-10-23 - Vendor response 2009-11-18 - Status update received 2010-01-06 - Status update received 2010-03-03 - Status update received 2010-03-31 - Coordinated public Disclosure