SUSE-SU-2016:0540-1: moderate: Security update for dhcp

sle-updates at lists.suse.com sle-updates at lists.suse.com
Mon Feb 22 10:11:17 MST 2016


   SUSE Security Update: Security update for dhcp
______________________________________________________________________________

Announcement ID:    SUSE-SU-2016:0540-1
Rating:             moderate
References:         #880984 #891961 #910686 #912098 #919959 #926159 
                    #928390 #936923 #947780 #956159 #960506 #961305 
                    
Cross-References:   CVE-2015-8605
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12
                    SUSE Linux Enterprise Server 12
                    SUSE Linux Enterprise Desktop 12
______________________________________________________________________________

   An update that solves one vulnerability and has 11 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#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 Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - 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 Desktop 12:

      zypper in -t patch SUSE-SLE-DESKTOP-12-2016-293=1

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


Package List:

   - SUSE Linux Enterprise Software Development Kit 12 (ppc64le s390x x86_64):

      dhcp-debuginfo-4.2.6-14.3.1
      dhcp-debugsource-4.2.6-14.3.1
      dhcp-devel-4.2.6-14.3.1

   - SUSE Linux Enterprise Server 12 (ppc64le s390x x86_64):

      dhcp-4.2.6-14.3.1
      dhcp-client-4.2.6-14.3.1
      dhcp-client-debuginfo-4.2.6-14.3.1
      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-relay-debuginfo-4.2.6-14.3.1
      dhcp-server-4.2.6-14.3.1
      dhcp-server-debuginfo-4.2.6-14.3.1

   - SUSE Linux Enterprise Desktop 12 (x86_64):

      dhcp-4.2.6-14.3.1
      dhcp-client-4.2.6-14.3.1
      dhcp-client-debuginfo-4.2.6-14.3.1
      dhcp-debuginfo-4.2.6-14.3.1
      dhcp-debugsource-4.2.6-14.3.1


References:

   https://www.suse.com/security/cve/CVE-2015-8605.html
   https://bugzilla.suse.com/880984
   https://bugzilla.suse.com/891961
   https://bugzilla.suse.com/910686
   https://bugzilla.suse.com/912098
   https://bugzilla.suse.com/919959
   https://bugzilla.suse.com/926159
   https://bugzilla.suse.com/928390
   https://bugzilla.suse.com/936923
   https://bugzilla.suse.com/947780
   https://bugzilla.suse.com/956159
   https://bugzilla.suse.com/960506
   https://bugzilla.suse.com/961305



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