glsa-201709-05.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201709-05">
  <title>chkrootkit: Local privilege escalation</title>
  <synopsis>A vulnerability in chkrootkit may allow local users to gain root
    privileges.
  </synopsis>
  <product type="ebuild">chkrootkit</product>
  <announced>2017-09-17</announced>
  <revised>2017-09-17: 1</revised>
  <bug>512356</bug>
  <access>local</access>
  <affected>
    <package name="app-forensics/chkrootkit" auto="yes" arch="*">
      <unaffected range="ge">0.50</unaffected>
      <vulnerable range="lt">0.50</vulnerable>
    </package>
  </affected>
  <background>
    <p>chkrootkit is a tool to locally check for signs of a rootkit.</p>
  </background>
  <description>
    <p>When /tmp is mounted without the noexec option chkrootkit will execute
      files in /tmp with root privileges.
    </p>
  </description>
  <impact type="high">
    <p>A local attacker could possibly execute arbitrary code with root
      privileges.
    </p>
  </impact>
  <workaround>
    <p>Users should mount /tmp with noexec option.</p>
  </workaround>
  <resolution>
    <p>All chkrootkit users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=app-forensics/chkrootkit-0.50"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0476">
      CVE-2014-0476
    </uri>
  </references>
  <metadata tag="requester" timestamp="2017-09-10T06:30:28Z">BlueKnight</metadata>
  <metadata tag="submitter" timestamp="2017-09-17T15:44:38Z">chrisadr</metadata>
</glsa>