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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200603-03">
<title>MPlayer: Multiple integer overflows</title>
<synopsis>
MPlayer is vulnerable to integer overflows in FFmpeg and ASF decoding that
could potentially result in the execution of arbitrary code.
</synopsis>
<product type="ebuild">MPlayer</product>
<announced>March 04, 2006</announced>
<revised>June 21, 2006: 02</revised>
<bug>115760</bug>
<bug>122029</bug>
<access>remote</access>
<affected>
<package name="media-video/mplayer" auto="yes" arch="*">
<unaffected range="ge">1.0.20060217</unaffected>
<unaffected range="ge">1.0_pre8</unaffected>
<vulnerable range="lt">1.0.20060217</vulnerable>
</package>
</affected>
<background>
<p>
MPlayer is a media player capable of handling multiple multimedia file
formats.
</p>
</background>
<description>
<p>
MPlayer makes use of the FFmpeg library, which is vulnerable to a heap
overflow in the avcodec_default_get_buffer() function discovered by
Simon Kilvington (see GLSA 200601-06). Furthermore, AFI Security
Research discovered two integer overflows in ASF file format decoding,
in the new_demux_packet() function from libmpdemux/demuxer.h and the
demux_asf_read_packet() function from libmpdemux/demux_asf.c.
</p>
</description>
<impact type="normal">
<p>
An attacker could craft a malicious media file which, when opened using
MPlayer, would lead to a heap-based buffer overflow. This could result
in the execution of arbitrary code with the permissions of the user
running MPlayer.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All MPlayer users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-video/mplayer-1.0.20060217&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4048">CVE-2005-4048</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0579">CVE-2006-0579</uri>
<uri link="/security/en/glsa/glsa-200601-06.xml">GLSA 200601-06</uri>
</references>
<metadata tag="submitter" timestamp="Sat, 04 Mar 2006 11:56:49 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Sat, 04 Mar 2006 11:56:59 +0000">
koon
</metadata>
</glsa>