<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201508-02">
  <title>libgadu: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in libgadu, the worst of
    which may result in execution of arbitrary code.
  </synopsis>
  <product type="ebuild">libgadu</product>
  <announced>2015-08-15</announced>
  <revised count="1">2015-08-15</revised>
  <bug>490238</bug>
  <bug>505558</bug>
  <bug>510714</bug>
  <access>remote</access>
  <affected>
    <package name="net-libs/libgadu" auto="yes" arch="*">
      <unaffected range="ge">1.12.0</unaffected>
      <vulnerable range="lt">1.12.0</vulnerable>
    </package>
  </affected>
  <background>
    <p>libgadu is a library that implements the client side of the Gadu-Gadu
      protocol.
    </p>
  </background>
  <description>
    <p>libgadu contains multiple vulnerabilities:</p>
    
    <ul>
      <li>X.509 certificates are not properly validated (CVE-2013-4488)</li>
      <li>A integer overflow error could lead to a buffer overflow
        (CVE-2013-6487)
      </li>
      <li>Malformed responses from a Gadu-Gadu file relay server are not
        properly handled (CVE-2014-3775)
      </li>
    </ul>
  </description>
  <impact type="normal">
    <p>A remote attacker may be able to execute arbitrary code with the
      privileges of the process, cause a Denial of Service condition, or spoof
      servers.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All libgadu users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-libs/libgadu-1.12.0"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4488">CVE-2013-4488</uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6487">CVE-2013-6487</uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3775">CVE-2014-3775</uri>
  </references>
  <metadata tag="requester" timestamp="2014-09-22T04:01:34Z">
    BlueKnight
  </metadata>
  <metadata tag="submitter" timestamp="2015-08-15T12:51:37Z">ackle</metadata>
</glsa>
