====================================================================== Secunia Research 02/07/2008 - VLC Media Player WAV Processing Integer 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 * VLC Media Player 0.8.6h on Windows NOTE: Prior versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System access Where: Remote ====================================================================== 3) Vendor's Description of Software "VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols." Product Link: http://www.videolan.org/vlc/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in VLC Media Player, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to an integer overflow error within the "Open()" function in modules/demux/wav.c. This can be exploited to cause a heap-based buffer overflow via a specially crafted WAV file having an overly large "fmt" chunk. Successful exploitation may allow execution of arbitrary code. ====================================================================== 5) Solution Update to version 0.8.6i, which should be available soon. Do not open untrusted WAV files. ====================================================================== 6) Time Table 27/06/2008 - Vendor notified. 30/06/2008 - Vendor response. 02/07/2008 - Public disclosure. ====================================================================== 7) Credits Discovered by Alin Rad Pop, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2008-2430 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://corporate.secunia.com/ 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/ 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://corporate.secunia.com/secunia_research/33/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/secunia_vacancies/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/secunia_security_advisories/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2008-29/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================