<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201312-08">
  <title>WebP: User-assisted execution of arbitrary code</title>
  <synopsis>An integer overflow vulnerability in WebP could lead to arbitrary
    code execution or Denial of Service.
  </synopsis>
  <product type="ebuild">libwebp</product>
  <announced>2013-12-10</announced>
  <revised count="1">2013-12-10</revised>
  <bug>442152</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/libwebp" auto="yes" arch="*">
      <unaffected range="ge">0.2.1</unaffected>
      <vulnerable range="lt">0.2.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>WebP is a lossy image compression format.</p>
  </background>
  <description>
    <p>An integer overflow flaw has been found in WebP.</p>
  </description>
  <impact type="normal">
    <p>A remote attacker could entice a user to open a specially crafted image
      in an application linked against WebP, 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 WebP users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=media-libs/libwebp-0.2.1"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5127">CVE-2012-5127</uri>
  </references>
  <metadata tag="requester" timestamp="2012-11-26T01:29:46Z">ackle</metadata>
  <metadata tag="submitter" timestamp="2013-12-10T07:54:19Z">ackle</metadata>
</glsa>
