Security update for dhcp

SUSE Security Update: Security update for dhcp
Announcement ID: SUSE-SU-2016:0540-1
Rating: moderate
References: #880984 #891961 #910686 #912098 #919959 #926159 #928390 #936923 #947780 #956159 #960506 #961305
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Desktop 12

  • An update that solves one vulnerability and has 11 fixes is now available.

    Description:


    This update for dhcp fixes the following issues:

    - CVE-2015-8605: A remote attacker could have used badly formed packets
    with an invalid IPv4 UDP length field to cause a DHCP server, client, or
    relay program to terminate abnormally (bsc#961305)

    The following bugs were fixed:

    - bsc#936923: Improper lease duration checking
    - bsc#880984: Integer overflows in the date and time handling code
    - bsc#956159: fixed service files to start dhcpd after slapd
    - bsc#960506: Improve exit reason and logging when /sbin/dhclient-script
    is unable to pre-init requested interface
    - bsc#947780: DHCP server could abort with "Unable to set up timer: out of
    range" on very long or infinite timer intervals / lease lifetimes
    - bsc#912098: dhclient could pretend to run while silently declining leases
    - bsc#919959: server: Do not log success report before send reported
    success
    - bsc#928390: dhclient dit not expose next-server DHCPv4 option to script
    - bsc#926159: DHCP preferrend and valid lifetime would be logged
    incorrectly
    - bsc#910686: Prevent a dependency conflict of dhcp-devel with bind-devel
    package

    The following tracked changes affect the build of the package only:

    - bsc#891961: Disabled /sbin/service legacy-action hooks

    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:
      zypper in -t patch SUSE-SLE-SDK-12-2016-293=1
    • SUSE Linux Enterprise Server 12:
      zypper in -t patch SUSE-SLE-SERVER-12-2016-293=1
    • SUSE Linux Enterprise Desktop 12:
      zypper in -t patch SUSE-SLE-DESKTOP-12-2016-293=1

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

    Package List:

    • SUSE Linux Enterprise Software Development Kit 12 (ppc64le s390x x86_64):
      • dhcp-debuginfo-4.2.6-14.3.1
      • dhcp-debugsource-4.2.6-14.3.1
      • dhcp-devel-4.2.6-14.3.1
    • SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):
      • dhcp-4.2.6-14.3.1
      • dhcp-client-4.2.6-14.3.1
      • dhcp-client-debuginfo-4.2.6-14.3.1
      • dhcp-debuginfo-4.2.6-14.3.1
      • dhcp-debugsource-4.2.6-14.3.1
      • dhcp-relay-4.2.6-14.3.1
      • dhcp-relay-debuginfo-4.2.6-14.3.1
      • dhcp-server-4.2.6-14.3.1
      • dhcp-server-debuginfo-4.2.6-14.3.1
    • SUSE Linux Enterprise Desktop 12 (x86_64):
      • dhcp-4.2.6-14.3.1
      • dhcp-client-4.2.6-14.3.1
      • dhcp-client-debuginfo-4.2.6-14.3.1
      • dhcp-debuginfo-4.2.6-14.3.1
      • dhcp-debugsource-4.2.6-14.3.1

    References: