glsa-201207-08.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201207-08">
  <title>Gnash: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in Gnash which could
    result in execution of arbitrary code, Denial of Service, or information
    disclosure.
  </synopsis>
  <product type="ebuild">Gnash</product>
  <announced>July 09, 2012</announced>
  <revised>July 09, 2012: 1</revised>
  <bug>391283</bug>
  <bug>408209</bug>
  <access>local, remote</access>
  <affected>
    <package name="www-plugins/gnash" auto="yes" arch="*">
      <unaffected range="ge">0.8.10-r2</unaffected>
      <vulnerable range="lt">0.8.10-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>Gnash is a GNU flash movie player that supports many SWF features.</p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been found in Gnash:</p>
    
    <ul>
      <li>The "nsPluginInstance::setupCookies()" function in plugin.cpp creates
        world-readable cookies with predictable file names (CVE-2011-4328).
      </li>
      <li>The "GnashImage::size()" function in GnashImage.h contains an integer
        overflow error which could cause a heap-based buffer overflow
        (CVE-2012-1175).
      </li>
    </ul>
  </description>
  <impact type="normal">
    <p>A remote attacker could entice a user to open a specially crafted SWF
      file, possibly resulting in execution of arbitrary code or a Denial of
      Service condition. Furthermore, a local attacker may be able to obtain
      sensitive information.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Gnash users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=www-plugins/gnash-0.8.10-r2"
    </code>
  </resolution>
  <references>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4328">CVE-2011-4328</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1175">CVE-2012-1175</uri>
  </references>
  <metadata timestamp="Sat, 17 Mar 2012 23:44:44 +0000" tag="requester">ackle</metadata>
  <metadata timestamp="Mon, 09 Jul 2012 23:29:06 +0000" tag="submitter">ackle</metadata>
</glsa>