SUSE-SU-2019:2727-1: moderate: Security update for dhcp

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for dhcp
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:2727-1
Rating:             moderate
References:         #1089524 #1134078 #1136572 
Cross-References:   CVE-2019-6470
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP4
                    SUSE Linux Enterprise Server 12-SP4
                    SUSE Linux Enterprise Desktop 12-SP4
                    SUSE CaaS Platform 3.0
______________________________________________________________________________

   An update that solves one vulnerability and has two fixes
   is now available.

Description:

   This update for dhcp fixes the following issues:

   Secuirty issue fixed:

   - CVE-2019-6470: Fixed DHCPv6 server crashes (bsc#1134078).

   Bug fixes:

   - Add compile option --enable-secs-byteorder to avoid duplicate lease
     warnings (bsc#1089524).
   - Use IPv6 when called as dhclient6, dhcpd6, and dhcrelay6 (bsc#1136572).


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 Software Development Kit 12-SP4:

      zypper in -t patch SUSE-SLE-SDK-12-SP4-2019-2727=1

   - SUSE Linux Enterprise Server 12-SP4:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-2727=1

   - SUSE Linux Enterprise Desktop 12-SP4:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-2727=1

   - SUSE CaaS Platform 3.0:

      To install this update, use the SUSE CaaS Platform Velum dashboard.
      It will inform you if it detects new updates and let you then trigger
      updating of the complete cluster in a controlled way.



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP4 (aarch64 ppc64le s390x x86_64):

      dhcp-debuginfo-4.3.3-10.19.1
      dhcp-debugsource-4.3.3-10.19.1
      dhcp-devel-4.3.3-10.19.1

   - SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):

      dhcp-4.3.3-10.19.1
      dhcp-client-4.3.3-10.19.1
      dhcp-client-debuginfo-4.3.3-10.19.1
      dhcp-debuginfo-4.3.3-10.19.1
      dhcp-debugsource-4.3.3-10.19.1
      dhcp-relay-4.3.3-10.19.1
      dhcp-relay-debuginfo-4.3.3-10.19.1
      dhcp-server-4.3.3-10.19.1
      dhcp-server-debuginfo-4.3.3-10.19.1

   - SUSE Linux Enterprise Desktop 12-SP4 (x86_64):

      dhcp-4.3.3-10.19.1
      dhcp-client-4.3.3-10.19.1
      dhcp-client-debuginfo-4.3.3-10.19.1
      dhcp-debuginfo-4.3.3-10.19.1
      dhcp-debugsource-4.3.3-10.19.1

   - SUSE CaaS Platform 3.0 (x86_64):

      dhcp-4.3.3-10.19.1
      dhcp-client-4.3.3-10.19.1
      dhcp-client-debuginfo-4.3.3-10.19.1


References:

   https://www.suse.com/security/cve/CVE-2019-6470.html
   https://bugzilla.suse.com/1089524
   https://bugzilla.suse.com/1134078
   https://bugzilla.suse.com/1136572