glsa-200608-13.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200608-13">
  <title>ClamAV: Heap buffer overflow</title>
  <synopsis>
    ClamAV is vulnerable to a heap-based buffer overflow resulting in a Denial
    of Service and potentially remote execution of arbitrary code.
  </synopsis>
  <product type="ebuild">clamav</product>
  <announced>2006-08-08</announced>
  <revised count="02">2006-08-08</revised>
  <bug>143093</bug>
  <access>remote</access>
  <affected>
    <package name="app-antivirus/clamav" auto="yes" arch="*">
      <unaffected range="ge">0.88.4</unaffected>
      <vulnerable range="lt">0.88.4</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    ClamAV is a GPL virus scanner.
    </p>
  </background>
  <description>
    <p>
    Damian Put has discovered a boundary error in the pefromupx() function
    used by the UPX extraction module, which unpacks PE Windows executable
    files. Both the "clamscan" command-line utility and the "clamd" daemon
    are affected.
    </p>
  </description>
  <impact type="high">
    <p>
    By sending a malicious attachment to a mail server running ClamAV, a
    remote attacker can cause a Denial of Service and potentially the
    execution of arbitrary code with the permissions of the user running
    ClamAV.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All ClamAV users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=app-antivirus/clamav-0.88.4"</code>
  </resolution>
  <references>
    <uri link="https://www.clamav.net/security/0.88.4.html">ClamAV security advisory</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4018">CVE-2006-4018</uri>
  </references>
  <metadata tag="submitter" timestamp="2006-08-08T07:45:00Z">
    falco
  </metadata>
  <metadata tag="bugReady" timestamp="2006-08-08T09:57:22Z">
    vorlon078
  </metadata>
</glsa>