Security update for ntp (important)

ntp was updated to fix two security issues:

   * CVE-2015-1799: ntpd authentication did not protect symmetric
     associations against DoS attacks (bsc#924202)
   * CVE-2015-3405: ntp-keygen may generate non-random symmetric keys on
     big-endian systems (bsc#928321)

Security Issues:

   * CVE-2015-1799
     &lt;<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1799">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1799</a>&gt;
   * CVE-2015-3405
     &lt;<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3405">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3405</a>&gt;