Security update for dhcp

Announcement ID: SUSE-SU-2019:2657-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-6470 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15-SP1
  • Basesystem Module 15
  • Server Applications Module 15-SP1
  • Server Applications Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise Desktop 15 SP1
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise Real Time 15 SP1
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  • SUSE Linux Enterprise Server for SAP Applications 15
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Manager Proxy 4.0
  • SUSE Manager Retail Branch Server 4.0
  • SUSE Manager Server 4.0

An update that solves one vulnerability and has two security fixes can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

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

Package List:

  • Basesystem Module 15 (aarch64 ppc64le s390x x86_64)
    • dhcp-client-debuginfo-4.3.5-6.3.1
    • dhcp-client-4.3.5-6.3.1
    • dhcp-debugsource-4.3.5-6.3.1
    • dhcp-devel-4.3.5-6.3.1
    • dhcp-debuginfo-4.3.5-6.3.1
    • dhcp-4.3.5-6.3.1
  • Basesystem Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • dhcp-client-debuginfo-4.3.5-6.3.1
    • dhcp-client-4.3.5-6.3.1
    • dhcp-debugsource-4.3.5-6.3.1
    • dhcp-devel-4.3.5-6.3.1
    • dhcp-debuginfo-4.3.5-6.3.1
    • dhcp-4.3.5-6.3.1
  • Server Applications Module 15 (aarch64 ppc64le s390x x86_64)
    • dhcp-server-4.3.5-6.3.1
    • dhcp-debugsource-4.3.5-6.3.1
    • dhcp-relay-4.3.5-6.3.1
    • dhcp-server-debuginfo-4.3.5-6.3.1
    • dhcp-relay-debuginfo-4.3.5-6.3.1
    • dhcp-debuginfo-4.3.5-6.3.1
  • Server Applications Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • dhcp-server-4.3.5-6.3.1
    • dhcp-debugsource-4.3.5-6.3.1
    • dhcp-relay-4.3.5-6.3.1
    • dhcp-server-debuginfo-4.3.5-6.3.1
    • dhcp-relay-debuginfo-4.3.5-6.3.1
    • dhcp-debuginfo-4.3.5-6.3.1

References: