CVE-2009-4639
First published: Wed Feb 10 2010(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg | =0.5 |
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Reference Links
- http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1245
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240
- http://www.securityfocus.com/bid/36465
- http://secunia.com/advisories/36805
- http://www.ubuntu.com/usn/USN-931-1
- http://www.vupen.com/english/advisories/2010/0935
- http://secunia.com/advisories/39482
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:059
- http://www.vupen.com/english/advisories/2011/1241
- 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
Frequently Asked Questions
What is the severity of CVE-2009-4639?
CVE-2009-4639 has been classified as a denial of service vulnerability.
How do I fix CVE-2009-4639?
To fix CVE-2009-4639, upgrade FFmpeg to a version later than 0.5 where the vulnerability has been patched.
What can exploit CVE-2009-4639?
CVE-2009-4639 can be exploited through a maliciously crafted AVI file that causes a divide-by-zero error.
Which version of FFmpeg is affected by CVE-2009-4639?
FFmpeg version 0.5 is affected by CVE-2009-4639.
What type of attack does CVE-2009-4639 facilitate?
CVE-2009-4639 facilitates a denial of service attack by crashing the application processing the malformed AVI file.
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