glsa-200509-01.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200509-01">
  <title>MPlayer: Heap overflow in ad_pcm.c</title>
  <synopsis>
    A heap overflow in MPlayer might lead to the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">MPlayer</product>
  <announced>2005-09-01</announced>
  <revised count="01">2005-09-01</revised>
  <bug>103555</bug>
  <access>remote</access>
  <affected>
    <package name="media-video/mplayer" auto="yes" arch="*">
      <unaffected range="ge">1.0_pre7-r1</unaffected>
      <vulnerable range="lt">1.0_pre7-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    MPlayer is a media player capable of handling multiple multimedia
    file formats.
    </p>
  </background>
  <description>
    <p>
    Sven Tantau discovered a heap overflow in the code handling the
    strf chunk of PCM audio streams.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could craft a malicious video or audio file which,
    when opened using MPlayer, would end up executing arbitrary code on the
    victim's computer with the permissions of the user running MPlayer.
    </p>
  </impact>
  <workaround>
    <p>
    You can mitigate the issue by adding "ac=-pcm," to your MPlayer
    configuration file (note that this will prevent you from playing
    uncompressed audio).
    </p>
  </workaround>
  <resolution>
    <p>
    All MPlayer users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=media-video/mplayer-1.0_pre7-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2718">CAN-2005-2718</uri>
    <uri link="http://www.sven-tantau.de/public_files/mplayer/mplayer_20050824.txt">Original Advisory</uri>
  </references>
  <metadata tag="submitter" timestamp="2005-08-28T16:55:40Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2005-09-01T08:08:19Z">
    koon
  </metadata>
</glsa>