PublicDateAtUSN: 2012-02-14
Candidate: CVE-2012-0848
PublicDate: 2012-08-20 19:55:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0848
 http://www.openwall.com/lists/oss-security/2012/02/14/4
 https://ubuntu.com/security/notices/USN-1478-1
Description:
 Heap-based buffer overflow in the ws_snd_decode_frame function in
 libavcodec/ws-snd1.c in FFmpeg 0.9.1 allows remote attackers to cause a
 denial of service (application crash) via a crafted media file, related to
 an incorrect calculation, aka "wrong samples count."
Ubuntu-Description:
Notes:
 jdstrand> per upstream, "Simple case of amount written and check mismatching"
 mdeslaur> code is different in ffmpeg 0.5.x and libav 0.6.x, probably not
 mdeslaur> vulnerable
Bugs:
Priority: low
Discovered-by:
Assigned-to: mdeslaur
CVSS: 

Patches_ffmpeg:
 upstream: 5257743aee0c3982f0079e6553aabc6aa39401d2
 upstream: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=9fb7a5af97d8c084c3af2566070d09eae0ab49fc
upstream_ffmpeg: needs-triage
hardy_ffmpeg: ignored (reached end-of-life)
lucid_ffmpeg: not-affected
maverick_ffmpeg: ignored (reached end-of-life)
natty_ffmpeg: DNE
oneiric_ffmpeg: DNE
precise_ffmpeg: DNE
devel_ffmpeg: DNE

Patches_ffmpeg-extra:
upstream_ffmpeg-extra: needs-triage
hardy_ffmpeg-extra: DNE
lucid_ffmpeg-extra: not-affected
maverick_ffmpeg-extra: ignored (reached end-of-life)
natty_ffmpeg-extra: DNE
oneiric_ffmpeg-extra: DNE
precise_ffmpeg-extra: DNE
devel_ffmpeg-extra: DNE

Patches_libav:
 upstream: http://git.libav.org/?p=libav.git;a=commit;h=9fb7a5af97d8c084c3af2566070d09eae0ab49fc
upstream_libav: released (0.7.5,0.8.1)
hardy_libav: DNE
lucid_libav: DNE
maverick_libav: DNE
natty_libav: not-affected
oneiric_libav: released (4:0.7.6-0ubuntu0.11.10.1)
precise_libav: not-affected (4:0.8.1-0ubuntu1)
devel_libav: not-affected (4:0.8.1-0ubuntu2)

Patches_libav-extra:
upstream_libav-extra: needs-triage
hardy_libav-extra: DNE
lucid_libav-extra: DNE
natty_libav-extra: not-affected
oneiric_libav-extra: released
precise_libav-extra: not-affected (4:0.8.1ubuntu1)
devel_libav-extra: not-affected (4:0.8.1ubuntu1)