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AUSCERT External Security Bulletin Redistribution
ESB-2021.3585
Security update for dnsmasq
28 October 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: dnsmasq
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3448 CVE-2020-14312
Reference: ESB-2021.1918
ESB-2021.0954
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20213530-1
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SUSE Security Update: Security update for dnsmasq
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3530-1
Rating: moderate
References: #1173646 #1180914 #1183709
Cross-References: CVE-2020-14312 CVE-2021-3448
Affected Products:
SUSE MicroOS 5.1
SUSE MicroOS 5.0
SUSE Linux Enterprise Server for SAP 15-SP1
SUSE Linux Enterprise Server 15-SP1-LTSS
SUSE Linux Enterprise Server 15-SP1-BCL
SUSE Linux Enterprise Module for Basesystem 15-SP3
SUSE Linux Enterprise Module for Basesystem 15-SP2
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
SUSE Enterprise Storage 6
SUSE CaaS Platform 4.0
______________________________________________________________________________
An update that solves two vulnerabilities, contains one feature and has one
errata is now available.
Description:
This update for dnsmasq fixes the following issues:
Update to version 2.86
o CVE-2021-3448: fixed outgoing port used when --server is used with an
interface name. (bsc#1183709)
o CVE-2020-14312: Set --local-service by default (bsc#1173646).
o Open inotify socket only when used (bsc#1180914).
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 MicroOS 5.1:
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2021-3530=1
o SUSE MicroOS 5.0:
zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-3530=1
o SUSE Linux Enterprise Server for SAP 15-SP1:
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-3530=1
o SUSE Linux Enterprise Server 15-SP1-LTSS:
zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-3530=1
o SUSE Linux Enterprise Server 15-SP1-BCL:
zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-3530=1
o SUSE Linux Enterprise Module for Basesystem 15-SP3:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-3530=1
o SUSE Linux Enterprise Module for Basesystem 15-SP2:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-3530=1
o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:
zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-3530=1
o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:
zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-3530=1
o SUSE Enterprise Storage 6:
zypper in -t patch SUSE-Storage-6-2021-3530=1
o SUSE CaaS Platform 4.0:
To install this update, use the SUSE CaaS Platform 'skuba' tool. I will
inform you if it detects new updates and let you then trigger updating of
the complete cluster in a controlled way.
Package List:
o SUSE MicroOS 5.1 (aarch64 s390x x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE MicroOS 5.0 (aarch64 x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x
x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64
x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64
x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE Enterprise Storage 6 (aarch64 x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
o SUSE CaaS Platform 4.0 (x86_64):
dnsmasq-2.86-7.14.1
dnsmasq-debuginfo-2.86-7.14.1
dnsmasq-debugsource-2.86-7.14.1
References:
o https://www.suse.com/security/cve/CVE-2020-14312.html
o https://www.suse.com/security/cve/CVE-2021-3448.html
o https://bugzilla.suse.com/1173646
o https://bugzilla.suse.com/1180914
o https://bugzilla.suse.com/1183709
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