SUSE-SU-2016:1735-1: moderate: Security update for dhcp

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for dhcp
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Announcement ID:    SUSE-SU-2016:1735-1
Rating:             moderate
References:         #969820 
Cross-References:   CVE-2016-2774
Affected Products:
                    SUSE Linux Enterprise Server 11-SP2-LTSS
                    SUSE Linux Enterprise Debuginfo 11-SP2
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   An update that fixes one vulnerability is now available.

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 Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server 11-SP2-LTSS:

      zypper in -t patch slessp2-dhcp-12637=1

   - SUSE Linux Enterprise Debuginfo 11-SP2:

      zypper in -t patch dbgsp2-dhcp-12637=1

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


Package List:

   - SUSE Linux Enterprise Server 11-SP2-LTSS (i586 s390x x86_64):

      dhcp-4.2.4.P2-0.11.15.1
      dhcp-client-4.2.4.P2-0.11.15.1
      dhcp-relay-4.2.4.P2-0.11.15.1
      dhcp-server-4.2.4.P2-0.11.15.1

   - SUSE Linux Enterprise Debuginfo 11-SP2 (i586 s390x x86_64):

      dhcp-debuginfo-4.2.4.P2-0.11.15.1
      dhcp-debugsource-4.2.4.P2-0.11.15.1


References:

   https://www.suse.com/security/cve/CVE-2016-2774.html
   https://bugzilla.suse.com/969820