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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200603-05">
  <title>zoo: Stack-based buffer overflow</title>
  <synopsis>
    A stack-based buffer overflow in zoo may be exploited to execute arbitrary
    code through malicious ZOO archives.
  </synopsis>
  <product type="ebuild">zoo</product>
  <announced>2006-03-06</announced>
  <revised>2006-03-06: 01</revised>
  <bug>123782</bug>
  <access>remote</access>
  <affected>
    <package name="app-arch/zoo" auto="yes" arch="*">
      <unaffected range="ge">2.10-r1</unaffected>
      <vulnerable range="lt">2.10-r1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    zoo is a file archiving utility for maintaining collections of
    files, written by Rahul Dhesi.
    </p>
  </background>
  <description>
    <p>
    Jean-Sebastien Guay-Leroux discovered a boundary error in the
    fullpath() function in misc.c when processing overly long file and
    directory names in ZOO archives.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could craft a malicious ZOO archive and entice someone
    to open it using zoo. This would trigger a stack-based buffer overflow
    and potentially allow execution of arbitrary code with the rights of
    the victim user.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All zoo users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-arch/zoo-2.10-r1"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0855">CVE-2006-0855</uri>
    <uri link="http://www.guay-leroux.com/projects/zoo-advisory.txt">Original Advisory</uri>
  </references>
  <metadata tag="requester" timestamp="2006-02-26T17:26:29Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2006-03-03T17:54:01Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2006-03-04T16:06:52Z">
    koon
  </metadata>
</glsa>