CVE-2011-4352

Description

Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.52% Top 15%
Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory mandriva.com Vendor Advisory ubuntu.com Vendor Advisory ffmpeg.org Vendor Advisory libav.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://libav.org/releases/libav-0.6.4.changelog
http://www.mandriva.com/security/advisories?name=MDVSA-2012:076 vendor advisory
http://ubuntu.com/usn/usn-1320-1 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:074 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:075 vendor advisory
http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=8b94df0f2047e9728cb872adc9e64557b7a5152f
http://www.securityfocus.com/archive/1/520622 mailing list
http://ffmpeg.org/ vendor advisory
http://libav.org/ vendor advisory
http://ubuntu.com/usn/usn-1333-1 vendor advisory
http://libav.org/releases/libav-0.5.6.changelog
http://libav.org/releases/libav-0.7.3.changelog
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=eef5c35b4352ec49ca41f6198bee8a976b1f81e5

Frequently Asked Questions

What is the severity of CVE-2011-4352?
CVE-2011-4352 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4352?
To fix CVE-2011-4352, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4352 being actively exploited in the wild?
It is possible that CVE-2011-4352 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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