CVE-2011-4352 Information

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.

Reference

http://ffmpeg.org/ http://git.libav.org/?p=libav.git;a=commit;h=8b94df0f2047e9728cb872adc9e64557b7a5152f http://git.videolan.org/?p=ffmpeg.git;a=commit;h=eef5c35b4352ec49ca41f6198bee8a976b1f81e5 http://libav.org/ http://libav.org/releases/libav-0.5.6.changelog http://libav.org/releases/libav-0.6.4.changelog http://libav.org/releases/libav-0.7.3.changelog http://ubuntu.com/usn/usn-1320-1 http://ubuntu.com/usn/usn-1333-1 http://www.mandriva.com/security/advisories?name=MDVSA-2012:074 http://www.mandriva.com/security/advisories?name=MDVSA-2012:075 http://www.mandriva.com/security/advisories?name=MDVSA-2012:076 http://www.securityfocus.com/archive/1/520622