metadata/glsa/glsa-201309-07.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201309-07">
  <title>libotr: Arbitrary code execution</title>
  <synopsis>A buffer overflow vulnerability in libotr could allow a remote
    attacker to execute arbitrary code or cause a Denial of Service condition.
  </synopsis>
  <product type="ebuild">libotr</product>
  <announced>September 15, 2013</announced>
  <revised>September 15, 2013: 1</revised>
  <bug>430486</bug>
  <access>remote</access>
  <affected>
    <package name="net-libs/libotr" auto="yes" arch="*">
      <unaffected range="ge">3.2.1</unaffected>
      <vulnerable range="lt">3.2.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>libotr is a portable off-the-record messaging library.</p>
  </background>
  <description>
    <p>Multiple heap-based buffer overflows are present in the Base64 decoder
      of libotr.
    </p>
  </description>
  <impact type="high">
    <p>A remote attacker could send a specially crafted OTR message, resulting
      in arbitrary code execution 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 libotr users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-libs/libotr-3.2.1"
    </code>
    
  </resolution>
  <references>
    <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3461">CVE-2012-3461</uri>
  </references>
  <metadata tag="requester" timestamp="Wed, 11 Sep 2013 14:50:36 +0000">
    creffett
  </metadata>
  <metadata tag="submitter" timestamp="Sun, 15 Sep 2013 04:34:43 +0000">
    creffett
  </metadata>
</glsa>