SUSE-SU-2016:1291-1 Security update for ntp

This update for ntp to 4.2.8p7 fixes the following issues: CVE-2016-1547, bsc977459: Validate crypto-NAKs, AKA: CRYPTO-NAK DoS. CVE-2016-1548, bsc977461: Interleave-pivot CVE-2016-1549, bsc977451: Sybil vulnerability: ephemeral association attack. CVE-2016-1550, bsc977464: Improve NTP security...