AFI Security Research has discovered two vulnerabilities in mplayer, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.
Integer overflow errors exist in the "new_demux_packet()" function in "libmpdemux/demuxer.h" and the "demux_asf_read_packet()" function in "libmpdemux/demux_asf.c" when allocating memory to copy data from an ".asf" file. This can be exploited to cause heap-based buffer overflows via a specially crafted ".asf" file with an overly large value in the packet length field.
The vulnerabilities have been confirmed in version 1.0pre7try2. Other versions may also be affected.
Solution: Do not open untrusted ".asf" files.
Provided and/or discovered by: AFI Security Research
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