glsa-201701-10.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201701-10">
  <title>libotr, Pidgin OTR: Remote execution of arbitrary code</title>
  <synopsis>Multiple vulnerabilities have been found in libotr and Pidgin OTR,
    allowing remote attackers to execute arbitrary code.
  </synopsis>
  <product type="ebuild">libotr, pidgin-otr</product>
  <announced>2017-01-02</announced>
  <revised count="1">2017-01-02</revised>
  <bug>576914</bug>
  <bug>576916</bug>
  <access>remote</access>
  <affected>
    <package name="net-libs/libotr" auto="yes" arch="*">
      <unaffected range="ge">4.1.1</unaffected>
      <vulnerable range="lt">4.1.1</vulnerable>
    </package>
    <package name="x11-plugins/pidgin-otr" auto="yes" arch="*">
      <unaffected range="ge">4.0.2</unaffected>
      <vulnerable range="lt">4.0.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>Pidgin Off-the-Record (OTR) messaging allows you to have private
      conversations over instant messaging. libotr is a portable off-the-record
      messaging library.
    </p>
  </background>
  <description>
    <p>Multiple vulnerabilities exist in both libotr and Pidgin OTR. Please
      review the CVE identifiers for more information.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could send a specially crafted message, possibly
      resulting in the execution of arbitrary code with the privileges of the
      process, or cause 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-4.1.1"
    </code>
    
    <p>All Pidgin OTR users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=x11-plugins/pidgin-otr-4.0.2"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8833">CVE-2015-8833</uri>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2851">CVE-2016-2851</uri>
  </references>
  <metadata tag="requester" timestamp="2017-01-01T11:51:33Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2017-01-02T14:19:57Z">b-man</metadata>
</glsa>