Chrony before 1.29.1 has traffic amplification in cmdmon protocol
https://security-tracker.debian.org/tracker/CVE-2014-0021
https://exchange.xforce.ibmcloud.com/vulnerabilities/90925
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-0021
http://www.securityfocus.com/bid/65035
http://www.openwall.com/lists/oss-security/2014/01/19/1
http://www.openwall.com/lists/oss-security/2014/01/18/3
http://www.openwall.com/lists/oss-security/2014/01/18/2
http://www.openwall.com/lists/oss-security/2014/01/18/1
http://www.openwall.com/lists/oss-security/2014/01/17/9
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/128753.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127837.html