glsa-201402-12.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201402-12">
  <title>PAM S/Key: Information disclosure</title>
  <synopsis>PAM S/Key does not clear provided credentials from memory, allowing
    local attackers to gain access to cleartext credentials.
  </synopsis>
  <product type="ebuild">pam_skey</product>
  <announced>2014-02-09</announced>
  <revised>2014-02-09: 1</revised>
  <bug>482588</bug>
  <access>local</access>
  <affected>
    <package name="sys-auth/pam_skey" auto="yes" arch="*">
      <unaffected range="ge">1.1.5-r5</unaffected>
      <vulnerable range="lt">1.1.5-r5</vulnerable>
    </package>
  </affected>
  <background>
    <p>PAM S/Key is a pluggable authentication module for the OpenBSD
      Single-key Password system.
    </p>
  </background>
  <description>
    <p>Ulrich Müller reported that a Gentoo patch to PAM S/Key does not remove
      credentials provided by the user from memory.
    </p>
  </description>
  <impact type="normal">
    <p>A local attacker with privileged access could inspect a memory dump to
      gain access to cleartext credentials provided by users.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All PAM S/Key users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=sys-auth/pam_skey-1.1.5-r5"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4285">CVE-2013-4285</uri>
  </references>
  <metadata tag="requester" timestamp="2013-08-28T10:10:48Z">a3li</metadata>
  <metadata tag="submitter" timestamp="2014-02-09T10:46:24Z">a3li</metadata>
</glsa>