Security update for dnsmasq

Announcement ID: SUSE-SU-2019:3188-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2017-15107 ( SUSE ): 5.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L
  • CVE-2017-15107 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2019-14834 ( SUSE ): 4.3 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2019-14834 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2019-14834 ( NVD ): 3.7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:
  • Basesystem Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities and has three security fixes can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-3188=1

Package List:

  • Basesystem Module 15 (aarch64 ppc64le s390x x86_64)
    • dnsmasq-debugsource-2.78-3.8.1
    • dnsmasq-2.78-3.8.1
    • dnsmasq-debuginfo-2.78-3.8.1

References: