SUSE-SU-2018:1464-1: moderate: Security update for ntp

sle-updates at sle-updates at
Tue May 29 13:07:27 MDT 2018

   SUSE Security Update: Security update for ntp

Announcement ID:    SUSE-SU-2018:1464-1
Rating:             moderate
References:         #1034892 #1077445 #1082063 #1082210 #1083417 
                    #1083420 #1083422 #1083424 #1083426 
Cross-References:   CVE-2016-1549 CVE-2018-7170 CVE-2018-7182
                    CVE-2018-7183 CVE-2018-7184 CVE-2018-7185
Affected Products:
                    SUSE Linux Enterprise Server 12-LTSS

   An update that solves 6 vulnerabilities and has three fixes
   is now available.


   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.
     * 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
   - Don't use libevent's cached time stamps in sntp. (bsc#1077445)
   - Fix systemd migration in %pre (bsc#1034892).

Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-1000=1

Package List:

   - SUSE Linux Enterprise Server 12-LTSS (ppc64le s390x x86_64):



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