glsa-201908-15.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201908-15">
  <title>ZNC: Privilege escalation</title>
  <synopsis>A vulnerability in ZNC allows users to escalate privileges.</synopsis>
  <product type="ebuild">znc</product>
  <announced>2019-08-15</announced>
  <revised count="1">2019-08-15</revised>
  <bug>688152</bug>
  <access>remote</access>
  <affected>
    <package name="net-irc/znc" auto="yes" arch="*">
      <unaffected range="ge">1.7.4_rc1</unaffected>
      <vulnerable range="lt">1.7.4_rc1</vulnerable>
    </package>
  </affected>
  <background>
    <p>ZNC is an advanced IRC bouncer.</p>
  </background>
  <description>
    <p>It was discovered that ZNC’s “Modules.cpp” allows remote
      authenticated non-admin users to escalate privileges.
    </p>
  </description>
  <impact type="normal">
    <p>A remote authenticated attacker could escalate privileges and
      subsequently execute arbitrary code or conduct a Denial of Service
      attack.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All ZNC users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=net-irc/znc-1.7.4_rc1"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/vuln/detail/CVE-2019-12816">CVE-2019-12816</uri>
  </references>
  <metadata tag="requester" timestamp="2019-08-11T22:44:54Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2019-08-15T15:56:13Z">b-man</metadata>
</glsa>