<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201811-11">
  <title>Asterisk: Multiple vulnerabilities</title>
  <synopsis>Multiple vulnerabilities have been found in Asterisk, the worst of
    which could result in a Denial of Service condition.
  </synopsis>
  <product type="ebuild">asterisk</product>
  <announced>2018-11-24</announced>
  <revised count="1">2018-11-24</revised>
  <bug>636972</bug>
  <bug>645710</bug>
  <bug>668848</bug>
  <access>remote</access>
  <affected>
    <package name="net-misc/asterisk" auto="yes" arch="*">
      <unaffected range="ge">13.23.1</unaffected>
      <vulnerable range="lt">13.23.1</vulnerable>
    </package>
  </affected>
  <background>
    <p>A Modular Open Source PBX System.</p>
  </background>
  <description>
    <p>Multiple vulnerabilities have been discovered in Asterisk. Please review
      the referenced CVE identifiers for details.
    </p>
  </description>
  <impact type="normal">
    <p>A remote attacker could cause a Denial of Service condition or conduct
      information gathering.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Asterisk users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-misc/asterisk-13.23.1"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-16671">CVE-2017-16671</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-16672">CVE-2017-16672</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-17850">CVE-2017-17850</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-12227">CVE-2018-12227</uri>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2018-17281">CVE-2018-17281</uri>
  </references>
  <metadata tag="requester" timestamp="2018-11-13T01:09:36Z">BlueKnight</metadata>
  <metadata tag="submitter" timestamp="2018-11-24T19:44:57Z">b-man</metadata>
</glsa>