Security update for dhcp

Announcement ID: SUSE-SU-2016:0481-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2015-8605 ( NVD ): 6.5 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SLES for SAP Applications 11-SP3
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Desktop 11 SP3
  • SUSE Linux Enterprise Desktop 11 SP4
  • SUSE Linux Enterprise Server 11 SP3
  • SUSE Linux Enterprise Server 11 SP3 for VMware 11-SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Software Development Kit 11 SP3
  • SUSE Linux Enterprise Software Development Kit 11 SP4

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

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 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 Desktop 11 SP3
    zypper in -t patch sledsp3-dhcp-12410=1
  • SUSE Linux Enterprise Desktop 11 SP4
    zypper in -t patch sledsp4-dhcp-12410=1
  • SUSE Linux Enterprise Server 11 SP3 for VMware 11-SP3
    zypper in -t patch slessp3-dhcp-12410=1
  • SUSE Linux Enterprise Server 11 SP3
    zypper in -t patch slessp3-dhcp-12410=1
  • SLES for SAP Applications 11-SP3
    zypper in -t patch slessp3-dhcp-12410=1
  • SUSE Linux Enterprise Software Development Kit 11 SP3
    zypper in -t patch sdksp3-dhcp-12410=1
  • SUSE Linux Enterprise Software Development Kit 11 SP4
    zypper in -t patch sdksp4-dhcp-12410=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-dhcp-12410=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-dhcp-12410=1

Package List:

  • SUSE Linux Enterprise Desktop 11 SP3 (x86_64 i586)
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
  • SUSE Linux Enterprise Desktop 11 SP4 (x86_64 i586)
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
  • SUSE Linux Enterprise Server 11 SP3 for VMware 11-SP3 (x86_64 i586)
    • dhcp-relay-4.2.4.P2-0.24.1
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
    • dhcp-server-4.2.4.P2-0.24.1
  • SUSE Linux Enterprise Server 11 SP3 (s390x x86_64 i586 ppc64 ia64)
    • dhcp-relay-4.2.4.P2-0.24.1
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
    • dhcp-server-4.2.4.P2-0.24.1
  • SLES for SAP Applications 11-SP3 (x86_64)
    • dhcp-relay-4.2.4.P2-0.24.1
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
    • dhcp-server-4.2.4.P2-0.24.1
  • SUSE Linux Enterprise Software Development Kit 11 SP3 (s390x x86_64 i586 ppc64 ia64)
    • dhcp-devel-4.2.4.P2-0.24.1
  • SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • dhcp-devel-4.2.4.P2-0.24.1
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • dhcp-relay-4.2.4.P2-0.24.1
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
    • dhcp-server-4.2.4.P2-0.24.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • dhcp-relay-4.2.4.P2-0.24.1
    • dhcp-client-4.2.4.P2-0.24.1
    • dhcp-4.2.4.P2-0.24.1
    • dhcp-server-4.2.4.P2-0.24.1

References: