Security update for dnsmasq

SUSE Security Update: Security update for dnsmasq
Announcement ID: SUSE-SU-2017:2616-1
Rating: important
References: #1035227 #1060354 #1060355 #1060360 #1060361 #1060362 #1060364 #902511 #904537 #908137 #972164
Affected Products:
  • SUSE Linux Enterprise Server 12-LTSS
    		•

    An update that solves 8 vulnerabilities and has three fixes is now available.

    Description:

    This update for dnsmasq fixes the following issues.

    Remedy the following security issues:

    - CVE-2017-14491: 2 byte heap based overflow. [bsc#1060354]
    - CVE-2017-14492: heap based overflow. [bsc#1060355]
    - CVE-2017-14493: stack based overflow. [bsc#1060360]
    - CVE-2017-14494: DHCP - info leak. [bsc#1060361]
    - CVE-2017-14495: DNS - OOM DoS. [bsc#1060362]
    - CVE-2017-14496: DNS - DoS Integer underflow. [bsc#1060364]
    - Prevent a man-in-the-middle attack (bsc#972164, fate#321175).

    Furthermore, the following issues have been fixed:

    - Fix DHCP relaying, broken in 2.76 and 2.77.
    - Update to version 2.78 (fate#321175, fate#322030, bsc#1035227).
    - Fix PXE booting for UEFI architectures (fate#322030).
    - Drop PrivateDevices=yes which breaks logging (bsc#902511, bsc#904537)
    - Build with support for DNSSEC (fate#318323, bsc#908137).

    Please note that this update brings a (small) potential incompatibility in
    the handling of "basename" in --pxe-service. Please read the CHANGELOG and
    the documentation if you are using this option.

    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 12-LTSS:
      zypper in -t patch SUSE-SLE-SERVER-12-2017-1616=1

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

    Package List:

    • SUSE Linux Enterprise Server 12-LTSS (ppc64le s390x x86_64):
      • dnsmasq-2.78-6.6.1
      • dnsmasq-debuginfo-2.78-6.6.1
      • dnsmasq-debugsource-2.78-6.6.1

    References: