SUSE-SU-2018:0956-1

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SUSE-SU-2018:0956-1

Summary: Security update for ntp

Details: 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)

References: https://www.suse.com/support/update/announcement/2018/suse-su-20180956-1/, https://bugzilla.suse.com/1077445, https://bugzilla.suse.com/1082063, https://bugzilla.suse.com/1082210, https://bugzilla.suse.com/1083417, https://bugzilla.suse.com/1083420, https://bugzilla.suse.com/1083422, https://bugzilla.suse.com/1083424, https://bugzilla.suse.com/1083426, https://www.suse.com/security/cve/CVE-2016-1549, https://www.suse.com/security/cve/CVE-2018-7170, https://www.suse.com/security/cve/CVE-2018-7182, https://www.suse.com/security/cve/CVE-2018-7183, https://www.suse.com/security/cve/CVE-2018-7184, https://www.suse.com/security/cve/CVE-2018-7185