SUSE-SU-2018:1765-2: moderate: Security update for ntp

sle-updates at sle-updates at
Thu Oct 18 11:29:07 MDT 2018

   SUSE Security Update: Security update for ntp

Announcement ID:    SUSE-SU-2018:1765-2
Rating:             moderate
References:         #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-SP2-BCL

   An update that solves 6 vulnerabilities and has two 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)

   This update is a reissue of the previous update with LTSS channels

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-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2018-1188=1

Package List:

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):



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