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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200601-08">
  <title>Blender: Heap-based buffer overflow</title>
  <synopsis>
    Blender is vulnerable to a buffer overflow that may be exploited by
    attackers to execute arbitrary code.
  </synopsis>
  <product type="ebuild">blender</product>
  <announced>2006-01-13</announced>
  <revised>2006-01-13: 01</revised>
  <bug>118163</bug>
  <access>remote</access>
  <affected>
    <package name="media-gfx/blender" auto="yes" arch="*">
      <unaffected range="ge">2.40</unaffected>
      <vulnerable range="lt">2.40</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Blender is an open source software for 3D modeling, animation,
    rendering, post-production, interactive creation and playback.
    </p>
  </background>
  <description>
    <p>
    Damian Put has reported a flaw due to an integer overflow in the
    "get_bhead()" function, leading to a heap overflow when processing
    malformed ".blend" files.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user into opening a specially
    crafted ".blend" file, resulting in the execution of arbitrary code
    with the permissions of the user running Blender.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Blender users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=media-gfx/blender-2.40"</code>
  </resolution>
  <references>
    <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4470">CVE-2005-4470</uri>
  </references>
  <metadata tag="requester" timestamp="2006-01-10T19:17:22Z">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="2006-01-10T19:17:39Z">
    DerCorny
  </metadata>
  <metadata tag="submitter" timestamp="2006-01-11T01:12:10Z">
    adir
  </metadata>
</glsa>