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PublicDateAtUSN: 2011-11-25
Candidate: CVE-2011-4352
PublicDate: 2012-08-20
References:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4352
http://www.securityfocus.com/archive/1/520622
http://www.ubuntu.com/usn/usn-1320-1
http://www.ubuntu.com/usn/usn-1333-1
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.
Ubuntu-Description:
Notes:
mdeslaur> ffmpeg-extra in multiverse needs to have matching version
mdeslaur> libav-extra is built with tarball produced by libav package
mdeslaur> libav doesn't seem to have equivalent patch yet as of 2012-12-22
mdeslaur> See thread: http://thread.gmane.org/gmane.comp.video.libav.devel/15121
mdeslaur> this fixes NGS00145
Bugs:
Priority: medium
Discovered-by: Phillip Langlois
Assigned-to: mdeslaur
Patches_ffmpeg:
upstream: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=eef5c35b4352ec49ca41f6198bee8a976b1f81e5
upstream_ffmpeg: needs-triage
hardy_ffmpeg: ignored (reached end-of-life)
lucid_ffmpeg: not-affected (code not present)
maverick_ffmpeg: released (4:0.6-2ubuntu6.3)
natty_ffmpeg: DNE
oneiric_ffmpeg: DNE
devel_ffmpeg: DNE
Patches_ffmpeg-extra:
upstream_ffmpeg-extra: needs-triage
hardy_ffmpeg-extra: DNE
lucid_ffmpeg-extra: not-affected (code not present)
maverick_ffmpeg-extra: released (4:0.6-2ubuntu3.3)
natty_ffmpeg-extra: DNE
oneiric_ffmpeg-extra: DNE
devel_ffmpeg-extra: DNE
Patches_libav:
upstream: http://git.libav.org/?p=libav.git;a=commit;h=8b94df0f2047e9728cb872adc9e64557b7a5152f
upstream_libav: released (0.7.3)
hardy_libav: DNE
lucid_libav: DNE
maverick_libav: DNE
natty_libav: released (4:0.6.4-0ubuntu0.11.04.1)
oneiric_libav: released (4:0.7.3-0ubuntu0.11.10.1)
devel_libav: not-affected (4:0.7.3-2ubuntu1)
Patches_libav-extra:
upstream_libav-extra: needs-triage
hardy_libav-extra: DNE
lucid_libav-extra: DNE
maverick_libav-extra: DNE
natty_libav-extra: released (4:0.6.4-1ubuntu1)
oneiric_libav-extra: released (4:0.7.3ubuntu0.11.10.1)
devel_libav-extra: not-affected (4:0.7.3ubuntu1)
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