glsa-200506-23.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200506-23">
  <title>Clam AntiVirus: Denial of Service vulnerability</title>
  <synopsis>
    Clam AntiVirus is vulnerable to a Denial of Service attack when processing
    certain Quantum archives.
  </synopsis>
  <product type="ebuild">clamav</product>
  <announced>2005-06-27</announced>
  <revised count="02">2006-05-22</revised>
  <bug>96960</bug>
  <access>remote</access>
  <affected>
    <package name="app-antivirus/clamav" auto="yes" arch="*">
      <unaffected range="ge">0.86.1</unaffected>
      <vulnerable range="lt">0.86.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Clam AntiVirus is a GPL anti-virus toolkit, designed for integration
    with mail servers to perform attachment scanning. Clam AntiVirus also
    provides a command line scanner and a tool for fetching updates of the
    virus database.
    </p>
  </background>
  <description>
    <p>
    Andrew Toller and Stefan Kanthak discovered that a flaw in libmspack's
    Quantum archive decompressor renders Clam AntiVirus vulnerable to a
    Denial of Service attack.
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could exploit this vulnerability to cause a Denial of
    Service by sending a specially crafted Quantum archive to the server.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Clam AntiVirus users should upgrade to the latest available
    version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-antivirus/clamav-0.86.1"</code>
  </resolution>
  <references>
    <uri link="https://sourceforge.net/project/shownotes.php?release_id=337279">Clam AntiVirus Release Notes</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2056">CVE-2005-2056</uri>
  </references>
  <metadata tag="requester" timestamp="2005-06-24T22:27:44Z">
    jaervosz
  </metadata>
  <metadata tag="submitter" timestamp="2005-06-24T23:09:26Z">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="2005-06-26T16:53:15Z">
    jaervosz
  </metadata>
</glsa>