glsa-200911-06.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200911-06">
  <title>PEAR Net_Traceroute: Command injection</title>
  <synopsis>
    An input sanitation error in PEAR Net_Traceroute might allow remote
    attackers to execute arbitrary commands.
  </synopsis>
  <product type="ebuild">PEAR-Net_Traceroute</product>
  <announced>2009-11-26</announced>
  <revised count="01">2009-11-26</revised>
  <bug>294264</bug>
  <access>remote</access>
  <affected>
    <package name="dev-php/PEAR-Net_Traceroute" auto="yes" arch="*">
      <unaffected range="ge">0.21.2</unaffected>
      <vulnerable range="lt">0.21.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    PEAR Net_Traceroute is an OS independent wrapper class for executing
    traceroute calls from PHP.
    </p>
  </background>
  <description>
    <p>
    Pasquale Imperato reported that the $host parameter to the traceroute()
    function in Traceroute.php is not properly sanitized before being
    passed to exec().
    </p>
  </description>
  <impact type="high">
    <p>
    A remote attacker could exploit this vulnerability when user input is
    passed directly to PEAR Net_Traceroute in a PHP script, possibly
    resulting in the remote execution of arbitrary shell commands with the
    privileges of the user running the affected PHP script.
    </p>
  </impact>
  <workaround>
    <p>
    Ensure that all data that is passed to the traceroute() function is
    properly shell escaped (for instance using the escapeshellcmd()
    function).
    </p>
  </workaround>
  <resolution>
    <p>
    All PEAR Net_Traceroute users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=dev-php/PEAR-Net_Traceroute-0.21.2"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4025">CVE-2009-4025</uri>
  </references>
  <metadata tag="requester" timestamp="2009-11-26T07:38:17Z">
    a3li
  </metadata>
  <metadata tag="submitter" timestamp="2009-11-26T07:53:00Z">
    a3li
  </metadata>
  <metadata tag="bugReady" timestamp="2009-11-26T19:14:35Z">
    a3li
  </metadata>
</glsa>