Security update for dhcp

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: