glsa-201707-12.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201707-12">
  <title>MAN DB: Privilege escalation</title>
  <synopsis>A vulnerability in MAN DB allows local users to gain root
    privileges.
  </synopsis>
  <product type="ebuild">man-db</product>
  <announced>2017-07-09</announced>
  <revised count="2">2017-08-06</revised>
  <bug>602588</bug>
  <access>local</access>
  <affected>
    <package name="sys-apps/man-db" auto="yes" arch="*">
      <unaffected range="ge">2.7.6.1-r2</unaffected>
      <vulnerable range="lt">2.7.6.1-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>MAN DB is a man replacement that utilizes BerkelyDB instead of flat
      files.
    </p>
  </background>
  <description>
    <p>The /var/cache/man directory as part of the MAN DB package has group
      permissions set to root.
    </p>
  </description>
  <impact type="high">
    <p>A local user who does not belong to the root group, but has the ability
      to modify the /var/cache/man directory can escalate privileges to the
      group root.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All MAN DB users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-apps/man-db-2.7.6.1-r2:0"
    </code>
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1336">CVE-2015-1336</uri>
  </references>
  <metadata tag="requester" timestamp="2017-01-18T16:57:30Z">whissi</metadata>
  <metadata tag="submitter" timestamp="2017-08-06T11:10:41Z">whissi</metadata>
</glsa>