====================================================================== Secunia Research 03/03/2009 - libsndfile CAF Processing Integer Overflow Vulnerability - ====================================================================== 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 * libsndfile version 1.0.18 NOTE: Prior versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System access Where: Remote ====================================================================== 3) Vendor's Description of Software "Libsndfile is a C library for reading and writing files containing sampled sound (such as MS Windows WAV and the Apple/SGI AIFF format) through one standard library interface." Product Link: http://www.mega-nerd.com/libsndfile/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in libsndfile, which can be exploited by malicious people to compromise an application using the library. The vulnerability is caused due to an integer overflow error in the processing of CAF description chunks. This can be exploited to cause a heap-based buffer overflow by tricking the user into processing a specially crafted CAF audio file. Successful exploitation may allow execution of arbitrary code. ====================================================================== 5) Solution Update to version 1.0.19. ====================================================================== 6) Time Table 20/02/2009 - Vendor notified. 21/02/2009 - Vendor response. 03/03/2009 - Public disclosure. ====================================================================== 7) Credits Discovered by Alin Rad Pop, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2009-0186 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/2009-7/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================