glsa-201207-03.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201207-03">
  <title>ChaSen: User-assisted execution of arbitrary code</title>
  <synopsis>A buffer overflow vulnerability in ChaSen could result in the
    execution of arbitrary code.
  </synopsis>
  <product type="ebuild">ChaSen</product>
  <announced>2012-07-09</announced>
  <revised>2012-07-09: 1</revised>
  <bug>390769</bug>
  <access>remote</access>
  <affected>
    <package name="app-text/chasen" auto="yes" arch="*">
      <unaffected range="ge">2.4.4-r2</unaffected>
      <vulnerable range="lt">2.4.4-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>ChaSen is a Japanese morphological analysis system.</p>
  </background>
  <description>
    <p>An error in chalib.c of ChaSen could cause a buffer overflow.</p>
  </description>
  <impact type="normal">
    <p>A remote attacker could entice a user to open a specially crafted text
      file using ChaSen or an application using the ChaSen libraries, possibly
      resulting in execution of arbitrary code with the privileges of the
      process or a Denial of Service condition.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All ChaSen users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=app-text/chasen-2.4.4-r2"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4000">CVE-2011-4000</uri>
  </references>
  <metadata timestamp="2012-04-15T23:16:56Z" tag="requester">ackle</metadata>
  <metadata timestamp="2012-07-09T22:20:31Z" tag="submitter">ackle</metadata>
</glsa>