Vulnerability Description
The av_rescale_rnd function in the AVI demuxer in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) via a crafted AVI file that triggers a divide-by-zero error.
CVSS Score
4.3
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 0.5 |
Related Weaknesses (CWE)
References
- http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.htmlExploit
- http://secunia.com/advisories/36805
- http://secunia.com/advisories/39482
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:059
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:060
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:061
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:088
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:112
- http://www.securityfocus.com/bid/36465
- http://www.ubuntu.com/usn/USN-931-1
- http://www.vupen.com/english/advisories/2010/0935
- http://www.vupen.com/english/advisories/2011/1241
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1245
- http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.htmlExploit
FAQ
What is CVE-2009-4639?
CVE-2009-4639 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The av_rescale_rnd function in the AVI demuxer in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) via a crafted AVI file that triggers a divide-by-zero error.
How severe is CVE-2009-4639?
CVE-2009-4639 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-4639?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg.