Security update for dhcp

SUSE Security Update: Security update for dhcp
Announcement ID: SUSE-SU-2019:2727-2
Rating: moderate
References: #1089524 #1134078 #1136572
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP5
  • SUSE Linux Enterprise Server 12-SP5

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


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-SP5:
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2019-2727=1
  • SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2019-2727=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP5 (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-SP5 (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