glsa-201409-08.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201409-08">
  <title>libxml2: Denial of Service</title>
  <synopsis>A vulnerability in libxml2 allows a remote attacker to cause Denial
    of Service.
  </synopsis>
  <product type="ebuild">libxml2</product>
  <announced>2014-09-19</announced>
  <revised count="1">2014-09-19</revised>
  <bug>509834</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/libxml2" auto="yes" arch="*">
      <unaffected range="ge">2.9.1-r4</unaffected>
      <vulnerable range="lt">2.9.1-r4</vulnerable>
    </package>
  </affected>
  <background>
    <p>libxml2 is the XML C parser and toolkit developed for the Gnome project.</p>
  </background>
  <description>
    <p>A vulnerability in the xmlParserHandlePEReference() function of
      parser.c, when expanding entity references, can be exploited to consume
      large amounts of memory and cause a crash or hang.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker may be able to cause Denial of Service via a specially
      crafted XML file containing malicious attributes.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libxml2 users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-libs/libxml2-2.9.1-r4"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0191">CVE-2014-0191</uri>
  </references>
  <metadata tag="requester" timestamp="2014-06-17T21:06:15Z">
    BlueKnight
  </metadata>
  <metadata tag="submitter" timestamp="2014-09-19T18:56:04Z">K_F</metadata>
</glsa>