Security update for dhcp

Announcement ID: SUSE-SU-2016:0540-1
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:
  • SUSE Linux Enterprise Desktop 12
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Server for SAP Applications 12
  • SUSE Linux Enterprise Software Development Kit 12

An update that solves one vulnerability and has 11 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#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 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 12
    zypper in -t patch SUSE-SLE-DESKTOP-12-2016-293=1
  • 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 Server for SAP Applications 12
    zypper in -t patch SUSE-SLE-SERVER-12-2016-293=1

Package List:

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

References: