Security update for dnsmasq

SUSE Security Update: Security update for dnsmasq
Announcement ID: SUSE-SU-2019:3188-1
Rating: moderate
References: #1076958 #1138743 #1152539 #1154849 #1156543
Cross-References: CVE-2017-15107 CVE-2019-14834
Affected Products:
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
  • SUSE Linux Enterprise Module for Basesystem 15

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

Description:

This update for dnsmasq fixes the following issues:
Security issues fixed:

  • CVE-2019-14834: Fixed a memory leak which could have allowed to remote attackers to cause denial of service via DHCP response creation (bsc#1154849)
  • CVE-2017-15107: Fixed a vulnerability in DNSSEC implementation. Processing of wildcard synthesized NSEC records may result improper validation for non-existance (bsc#1076958).

Other issues addressed:
  • Included linux/sockios.h to get SIOCGSTAMP (bsc#1156543).
  • Removed cache size limit (bsc#1138743).
  • Included config files from /etc/dnsmasq.d/*.conf (bsc#1152539).

Patch Instructions:

To install this SUSE Security 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 Module for Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-3188=1
  • SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-3188=1

Package List:

  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):
    • dnsmasq-debuginfo-2.78-3.8.1
    • dnsmasq-debugsource-2.78-3.8.1
    • dnsmasq-utils-2.78-3.8.1
    • dnsmasq-utils-debuginfo-2.78-3.8.1
  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • dnsmasq-2.78-3.8.1
    • dnsmasq-debuginfo-2.78-3.8.1
    • dnsmasq-debugsource-2.78-3.8.1

References: