Security update for dhcp

SUSE Security Update: Security update for dhcp
Announcement ID: SUSE-SU-2016:1791-1
Rating: moderate
References: #969820 #972907
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP1
  • SUSE Linux Enterprise Server 12-SP1
  • SUSE Linux Enterprise Desktop 12-SP1

  • An update that solves one vulnerability and has one errata is now available.

    Description:


    This update for dhcp fixes the following issues:

    Security issue fixed:
    - CVE-2016-2774: Fixed a denial of service attack against the DHCP server
    over the OMAPI TCP socket, which could be used by network adjacent
    attackers to make the DHCP server non-functional (bsc#969820).

    Non security issues fixed:
    - Rename freeaddrinfo(), getaddrinfo() and getnameinfo() in the internal
    libirs library that does not consider /etc/hosts and /etc/nsswitch.conf
    to use irs_ prefix. This prevents name conflicts which would result in
    overriding standard glibc functions used by libldap. (bsc#972907)

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Software Development Kit 12-SP1:
      zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-1048=1
    • SUSE Linux Enterprise Server 12-SP1:
      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-1048=1
    • SUSE Linux Enterprise Desktop 12-SP1:
      zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-1048=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Software Development Kit 12-SP1 (ppc64le s390x x86_64):
      • dhcp-debuginfo-4.3.3-9.1
      • dhcp-debugsource-4.3.3-9.1
      • dhcp-devel-4.3.3-9.1
    • SUSE Linux Enterprise Server 12-SP1 (ppc64le s390x x86_64):
      • dhcp-4.3.3-9.1
      • dhcp-client-4.3.3-9.1
      • dhcp-client-debuginfo-4.3.3-9.1
      • dhcp-debuginfo-4.3.3-9.1
      • dhcp-debugsource-4.3.3-9.1
      • dhcp-relay-4.3.3-9.1
      • dhcp-relay-debuginfo-4.3.3-9.1
      • dhcp-server-4.3.3-9.1
      • dhcp-server-debuginfo-4.3.3-9.1
    • SUSE Linux Enterprise Desktop 12-SP1 (x86_64):
      • dhcp-4.3.3-9.1
      • dhcp-client-4.3.3-9.1
      • dhcp-client-debuginfo-4.3.3-9.1
      • dhcp-debuginfo-4.3.3-9.1
      • dhcp-debugsource-4.3.3-9.1

    References: