openSUSE Security Update: Security update for ntp ______________________________________________________________________________ Announcement ID: openSUSE-SU-2018:0970-1 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: openSUSE Leap 42.3 ______________________________________________________________________________ An update that solves 6 vulnerabilities and has two fixes is now available. Description: 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) This update was imported from the SUSE:SLE-12-SP1:Update update project. Patch Instructions: To install this openSUSE 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: - openSUSE Leap 42.3: zypper in -t patch openSUSE-2018-376=1 Package List: - openSUSE Leap 42.3 (i586 x86_64): ntp-4.2.8p11-31.3.1 ntp-debuginfo-4.2.8p11-31.3.1 ntp-debugsource-4.2.8p11-31.3.1 ntp-doc-4.2.8p11-31.3.1 References: https://www.suse.com/security/cve/CVE-2016-1549.html https://www.suse.com/security/cve/CVE-2018-7170.html https://www.suse.com/security/cve/CVE-2018-7182.html https://www.suse.com/security/cve/CVE-2018-7183.html https://www.suse.com/security/cve/CVE-2018-7184.html https://www.suse.com/security/cve/CVE-2018-7185.html 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