Secunia Research 10/06/2009 - Adobe Reader JBIG2 Text Region Segment Buffer Overflow - Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10 1) Affected Software * Adobe Reader 9.1.0 NOTE: Other versions may also be affected. 2) Severity Rating: Highly critical Impact: System access Where: From remote 3) Vendor's Description of Software "Adobe Reader software is the global standard for electronic document sharing. It is the only PDF file viewer that can open and interact with all PDF documents." Product Link: http://www.adobe.com/products/reader/ 4) Description of Vulnerability Secunia Research has discovered a vulnerability in Adobe Reader, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to a boundary error in the processing of Huffman encoded JBIG2 text region segments. This can be exploited to cause a heap-based buffer overflow via a specially crafted PDF file. Successful exploitation may allow execution of arbitrary code. 5) Solution Update to version 9.1.2, 8.1.6, or 7.1.3. 6) Time Table 14/04/2009 - Vendor notified. 14/04/2009 - Vendor response. 10/06/2009 - Public disclosure. 7) Credits Discovered by Alin Rad Pop, Secunia Research. 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2009-0198 for the vulnerability. 9) About Secunia Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration: http://secunia.com/advisories/business_solutions/ Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security. http://secunia.com/advisories/ Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general: http://secunia.com/secunia_research/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/advisories/mailing_lists/ 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2009-24/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/