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MDKSA-2005:232 - Updated gstreamer-ffmpeg packages fix buffer overflow vulnerability



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 _______________________________________________________________________
 
 Mandriva Linux Security Advisory                         MDKSA-2005:232
 http://www.mandriva.com/security/
 _______________________________________________________________________
 
 Package : gstreamer-ffmpeg
 Date    : December 14, 2005
 Affected: 2006.0
 _______________________________________________________________________
 
 Problem Description:
 
 Simon Kilvington discovered a vulnerability in FFmpeg libavcodec, 
 which can be exploited by malicious people to cause a DoS (Denial 
 of Service) and potentially to compromise a user's system.
 
 The vulnerability is caused due to a boundary error in the 
 "avcodec_default_get_buffer()" function of "utils.c" in libavcodec. 
 This can be exploited to cause a heap-based buffer overflow when a 
 specially-crafted 1x1 ".png" file containing a palette is read.
 
 Gstreamer-ffmpeg is built with a private copy of ffmpeg containing
 this same code.
 
 The updated packages have been patched to prevent this problem.
 _______________________________________________________________________

 References:
 
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4048
 _______________________________________________________________________
 
 Updated Packages:
 
 Mandriva Linux 2006.0:
 1e7f7ad8be3efcc5152901d1de9050c7  
2006.0/RPMS/gstreamer-ffmpeg-0.8.6-1.1.20060mdk.i586.rpm
 2923eb22aafa7aedd073516e47a7d94f  
2006.0/SRPMS/gstreamer-ffmpeg-0.8.6-1.1.20060mdk.src.rpm

 Mandriva Linux 2006.0/X86_64:
 617b165113eb1af7e805d7c2423a771b  
x86_64/2006.0/RPMS/gstreamer-ffmpeg-0.8.6-1.1.20060mdk.x86_64.rpm
 2923eb22aafa7aedd073516e47a7d94f  
x86_64/2006.0/SRPMS/gstreamer-ffmpeg-0.8.6-1.1.20060mdk.src.rpm
 _______________________________________________________________________

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 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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