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AUSCERT External Security Bulletin Redistribution
ESB-2019.4570
SUSE: Security update for dnsmasq
6 December 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: dnsmasq
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-14834 CVE-2017-15107
Reference: ESB-2019.3767
ESB-2019.2421
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-20193188-1.html
https://www.suse.com/support/update/announcement/2019/suse-su-20193189-1.html
Comment: This bulletin contains two (2) SUSE security advisories.
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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:
o 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)
o 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:
o Included linux/sockios.h to get SIOCGSTAMP (bsc#1156543).
o Removed cache size limit (bsc#1138743).
o 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:
o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:
zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-3188=1
o SUSE Linux Enterprise Module for Basesystem 15:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-3188=1
Package List:
o 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
o 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:
o https://www.suse.com/security/cve/CVE-2017-15107.html
o https://www.suse.com/security/cve/CVE-2019-14834.html
o https://bugzilla.suse.com/1076958
o https://bugzilla.suse.com/1138743
o https://bugzilla.suse.com/1152539
o https://bugzilla.suse.com/1154849
o https://bugzilla.suse.com/1156543
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for dnsmasq
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:3189-1
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-SP1
SUSE Linux Enterprise Module for Basesystem 15-SP1
______________________________________________________________________________
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:
o 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)
o 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:
o Included linux/sockios.h to get SIOCGSTAMP (bsc#1156543).
o Removed cache size limit (bsc#1138743).
o bsc#1152539: include config files from /etc/dnsmasq.d/*.conf .
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:
o SUSE Linux Enterprise Module for Open Buildservice Development Tools
15-SP1:
zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-3189=1
o SUSE Linux Enterprise Module for Basesystem 15-SP1:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-3189=1
Package List:
o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
(aarch64 ppc64le s390x x86_64):
dnsmasq-debuginfo-2.78-7.3.1
dnsmasq-debugsource-2.78-7.3.1
dnsmasq-utils-2.78-7.3.1
dnsmasq-utils-debuginfo-2.78-7.3.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x
x86_64):
dnsmasq-2.78-7.3.1
dnsmasq-debuginfo-2.78-7.3.1
dnsmasq-debugsource-2.78-7.3.1
References:
o https://www.suse.com/security/cve/CVE-2017-15107.html
o https://www.suse.com/security/cve/CVE-2019-14834.html
o https://bugzilla.suse.com/1076958
o https://bugzilla.suse.com/1138743
o https://bugzilla.suse.com/1152539
o https://bugzilla.suse.com/1154849
o https://bugzilla.suse.com/1156543
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