SUSE Security Update: Security update for dhcp
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:2657-1
Rating:             moderate
References:         #1089524 #1134078 #1136572 
Cross-References:   CVE-2019-6470
Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP1
                    SUSE Linux Enterprise Module for Server Applications 15
                    SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
                    SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
                    SUSE Linux Enterprise Module for Basesystem 15-SP1
                    SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________

   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 Module for Server Applications 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2019-2657=1

   - SUSE Linux Enterprise Module for Server Applications 15:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-2657=1

   - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-2657=1

   - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:

      zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-2657=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-2657=1

   - SUSE Linux Enterprise Module for Basesystem 15:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-2657=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP1 (aarch64 ppc64le s390x x86_64):

      dhcp-debuginfo-4.3.5-6.3.1
      dhcp-debugsource-4.3.5-6.3.1
      dhcp-relay-4.3.5-6.3.1
      dhcp-relay-debuginfo-4.3.5-6.3.1
      dhcp-server-4.3.5-6.3.1
      dhcp-server-debuginfo-4.3.5-6.3.1

   - SUSE Linux Enterprise Module for Server Applications 15 (aarch64 ppc64le s390x x86_64):

      dhcp-debuginfo-4.3.5-6.3.1
      dhcp-debugsource-4.3.5-6.3.1
      dhcp-relay-4.3.5-6.3.1
      dhcp-relay-debuginfo-4.3.5-6.3.1
      dhcp-server-4.3.5-6.3.1
      dhcp-server-debuginfo-4.3.5-6.3.1

   - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64 ppc64le s390x x86_64):

      dhcp-debuginfo-4.3.5-6.3.1
      dhcp-debugsource-4.3.5-6.3.1
      dhcp-doc-4.3.5-6.3.1

   - SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):

      dhcp-debuginfo-4.3.5-6.3.1
      dhcp-debugsource-4.3.5-6.3.1
      dhcp-doc-4.3.5-6.3.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):

      dhcp-4.3.5-6.3.1
      dhcp-client-4.3.5-6.3.1
      dhcp-client-debuginfo-4.3.5-6.3.1
      dhcp-debuginfo-4.3.5-6.3.1
      dhcp-debugsource-4.3.5-6.3.1
      dhcp-devel-4.3.5-6.3.1

   - SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):

      dhcp-4.3.5-6.3.1
      dhcp-client-4.3.5-6.3.1
      dhcp-client-debuginfo-4.3.5-6.3.1
      dhcp-debuginfo-4.3.5-6.3.1
      dhcp-debugsource-4.3.5-6.3.1
      dhcp-devel-4.3.5-6.3.1


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

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