Security update for dhcp

Announcement ID: SUSE-SU-2016:2024-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2016-2774 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Cloud 5
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Software Development Kit 11 SP4
  • SUSE Manager Proxy 2.1
  • SUSE Manager Server 2.1

An update that solves one vulnerability can now be installed.

Description:

This update for dhcp fixes the following issues:

  • 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).

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 Point of Service 11 SP3
    zypper in -t patch sleposp3-dhcp-12688=1
  • SUSE Linux Enterprise Software Development Kit 11 SP4
    zypper in -t patch sdksp4-dhcp-12688=1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
    zypper in -t patch slessp3-dhcp-12688=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-dhcp-12688=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-dhcp-12688=1
  • SUSE Cloud 5
    zypper in -t patch sleclo50sp3-dhcp-12688=1
  • SUSE Manager Server 2.1
    zypper in -t patch sleman21-dhcp-12688=1
  • SUSE Manager Proxy 2.1
    zypper in -t patch slemap21-dhcp-12688=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1
  • SUSE Linux Enterprise Software Development Kit 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • dhcp-devel-4.2.4.P2-0.27.1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3 (s390x x86_64 i586)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1
  • SUSE Cloud 5 (x86_64)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1
  • SUSE Manager Server 2.1 (s390x x86_64)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1
  • SUSE Manager Proxy 2.1 (x86_64)
    • dhcp-client-4.2.4.P2-0.27.1
    • dhcp-4.2.4.P2-0.27.1
    • dhcp-relay-4.2.4.P2-0.27.1
    • dhcp-server-4.2.4.P2-0.27.1

References: