Heap-based buffer overflow in the avcodec_default_get_buffer function (utils.c) in FFmpeg...

Vulnerability Description

Heap-based buffer overflow in the avcodec_default_get_buffer function (utils.c) in FFmpeg libavcodec 0.4.9-pre1 and earlier, as used in products such as (1) mplayer, (2) xine-lib, (3) Xmovie, and (4) GStreamer, allows remote attackers to execute arbitrary commands via small PNG images with palettes.

References

• http://www.us.debian.org/security/2006/dsa-992
• http://www.gentoo.org/security/en/glsa/glsa-200602-01.xml
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:229
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:232
• http://secunia.com/advisories/19272
• https://usn.ubuntu.com/230-1/
• http://www.debian.org/security/2006/dsa-1005
• http://secunia.com/advisories/19114
• http://www.gentoo.org/security/en/glsa/glsa-200601-06.xml
• http://secunia.com/advisories/18087
• http://www1.mplayerhq.hu/cgi-bin/cvsweb.cgi/ffmpeg/libavcodec/utils.c?rev=1.162&content-type=text/x-cvsweb-markup&cvsroot=FFMpeg
• http://cvs.freedesktop.org/gstreamer/gst-ffmpeg/ChangeLog?rev=1.239&view=markup
• http://secunia.com/advisories/18400
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:230
• http://www.gentoo.org/security/en/glsa/glsa-200603-03.xml
• http://secunia.com/advisories/17892
• http://secunia.com/advisories/18746
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:228
• http://secunia.com/advisories/19192
• http://article.gmane.org/gmane.comp.video.ffmpeg.devel/26558
• https://usn.ubuntu.com/230-2/
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:231
• http://www.vupen.com/english/advisories/2005/2770
• http://www.debian.org/security/2006/dsa-1004
• http://secunia.com/advisories/18739
• http://secunia.com/advisories/18107
• http://secunia.com/advisories/19279
• http://www.securityfocus.com/bid/15743
• http://secunia.com/advisories/18066
• http://www1.mplayerhq.hu/cgi-bin/cvsweb.cgi/ffmpeg/libavcodec/utils.c.diff?r1=1.161&r2=1.162&cvsroot=FFMpeg