SUSE 12-SP2-BCL: 2018:1765-2 Moderate: ntp DoS Issues Fix

This update for ntp fixes the following issues: - Update to 4.2.8p11 (bsc#1082210): * CVE-2016-1549: Sybil vulnerability: ephemeral association attack. While fixed in ntp-4.2.8p7, there are significant additional protections for this issue in 4.2.8p11. * CVE-2018-7182: ctl_getitem(): buffer read overrun leads to undefined behavior and information leak. (bsc#1083426) * CVE-2018-7170: Multiple authenticated ephemeral associations. (bsc#1083424) * CVE-2018-7184: Interleaved symmetric mode cannot recover from bad state. (bsc#1083422) * CVE-2018-7185: Unauthenticated packet can reset authenticated interleaved association. (bsc#1083420) * CVE-2018-7183: ntpq:decodearr() can write beyond its buffer limit.(bsc#1083417) - Don't use libevent's cached time stamps in sntp. (bsc#1077445)