glsa-201608-01.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201608-01">
  <title>OptiPNG: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in OptiPNG, the worst of
    which could lead to the remote execution of arbitrary code, or cause a
    Denial of Service condition.
  </synopsis>
  <product type="ebuild"></product>
  <announced>August 11, 2016</announced>
  <revised>August 11, 2016: 1</revised>
  <bug>561882</bug>
  <bug>579030</bug>
  <access>remote</access>
  <affected>
    <package name="media-gfx/optipng" auto="yes" arch="*">
      <unaffected range="ge">0.7.6</unaffected>
      <vulnerable range="lt">0.7.6</vulnerable>
    </package>
  </affected>
  <background>
    <p>OptiPNG is a PNG optimizer that recompresses image files to a smaller
      size, without losing any information.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in OptiPNG. Please review
      the CVE identifiers referenced below for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could entice a user to open a specially crafted image
      file resulting in the 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 OptiPNG users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=media-gfx/optipng-0.7.6"
    </code>
  </resolution>
  <references>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2191">CVE-2016-2191</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3981">CVE-2016-3981</uri>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3982">CVE-2016-3982</uri>
  </references>
  <metadata tag="requester" timestamp="Sun, 26 Jun 2016 12:03:00 +0000">b-man</metadata>
  <metadata tag="submitter" timestamp="Thu, 11 Aug 2016 06:06:28 +0000">b-man</metadata>
</glsa>