Debian 0.svn20080206-18+lenny3 Critical: FFmpeg Buffer Overflow Exploit

Several vulnerabilities have been discovered in FFmpeg coders, which are used by
by MPlayer and other applications.


CVE-2010-3429

Cesar Bernardini and Felipe Andres Manzano reported an arbitrary offset
dereference vulnerability in the libavcodec, in particular in the flic file
format parser. A specific flic file may exploit this vulnerability and execute
arbitrary code. Mplayer is also affected by this problem, as well as other
software that use this library.


CVE-2010-4704

Greg Maxwell discovered an integer overflow the Vorbis decoder in FFmpeg. A
specific ogg file may exploit this vulnerability and execute arbitrary code.


CVE-2010-4705

A potential integer overflow has been discovered in the Vorbis decoder in
FFmpeg.


This upload also fixes an incomplete patch from DSA-2000-1. Michael Gilbert
noticed that there was remaining vulnerabilities, which may cause a denial of
service and potentially execution of arbitrary code.

For the oldstable distribution (lenny), this problem h...