Security update for dhcp

SUSE Security Update: Security update for dhcp
Announcement ID: SUSE-SU-2016:0481-1
Rating: moderate
References: #880984 #919959 #926159 #928390 #936923 #947780 #961305
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 11-SP4
  • SUSE Linux Enterprise Software Development Kit 11-SP3
  • SUSE Linux Enterprise Server for VMWare 11-SP3
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Server 11-SP3
  • SUSE Linux Enterprise Desktop 11-SP4
  • SUSE Linux Enterprise Desktop 11-SP3
  • SUSE Linux Enterprise Debuginfo 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP3

  • An update that solves one vulnerability and has 6 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#947780: DHCP server could abort with "Unable to set up timer: out of
    range" on very long or infinite timer intervals / lease lifetimes
    - bsc#926159: DHCP preferrend and valid lifetime would be logged
    incorrectly
    - bsc#928390: dhclient dit not expose next-server DHCPv4 option to script
    - bsc#926159: DHCP preferrend and valid lifetime would be logged
    incorrectly

    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 11-SP4:
      zypper in -t patch sdksp4-dhcp-12410=1
    • SUSE Linux Enterprise Software Development Kit 11-SP3:
      zypper in -t patch sdksp3-dhcp-12410=1
    • SUSE Linux Enterprise Server for VMWare 11-SP3:
      zypper in -t patch slessp3-dhcp-12410=1
    • SUSE Linux Enterprise Server 11-SP4:
      zypper in -t patch slessp4-dhcp-12410=1
    • SUSE Linux Enterprise Server 11-SP3:
      zypper in -t patch slessp3-dhcp-12410=1
    • SUSE Linux Enterprise Desktop 11-SP4:
      zypper in -t patch sledsp4-dhcp-12410=1
    • SUSE Linux Enterprise Desktop 11-SP3:
      zypper in -t patch sledsp3-dhcp-12410=1
    • SUSE Linux Enterprise Debuginfo 11-SP4:
      zypper in -t patch dbgsp4-dhcp-12410=1
    • SUSE Linux Enterprise Debuginfo 11-SP3:
      zypper in -t patch dbgsp3-dhcp-12410=1

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

    Package List:

    • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • dhcp-devel-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Software Development Kit 11-SP3 (i586 ia64 ppc64 s390x x86_64):
      • dhcp-devel-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Server for VMWare 11-SP3 (i586 x86_64):
      • dhcp-4.2.4.P2-0.24.1
      • dhcp-client-4.2.4.P2-0.24.1
      • dhcp-relay-4.2.4.P2-0.24.1
      • dhcp-server-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • dhcp-4.2.4.P2-0.24.1
      • dhcp-client-4.2.4.P2-0.24.1
      • dhcp-relay-4.2.4.P2-0.24.1
      • dhcp-server-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Server 11-SP3 (i586 ia64 ppc64 s390x x86_64):
      • dhcp-4.2.4.P2-0.24.1
      • dhcp-client-4.2.4.P2-0.24.1
      • dhcp-relay-4.2.4.P2-0.24.1
      • dhcp-server-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Desktop 11-SP4 (i586 x86_64):
      • dhcp-4.2.4.P2-0.24.1
      • dhcp-client-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Desktop 11-SP3 (i586 x86_64):
      • dhcp-4.2.4.P2-0.24.1
      • dhcp-client-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • dhcp-debuginfo-4.2.4.P2-0.24.1
      • dhcp-debugsource-4.2.4.P2-0.24.1
    • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 ia64 ppc64 s390x x86_64):
      • dhcp-debuginfo-4.2.4.P2-0.24.1
      • dhcp-debugsource-4.2.4.P2-0.24.1

    References: