Security update for dnsmasq

Announcement ID:	SUSE-SU-2021:0166-1
Rating:	important
References:	bsc#1176076 bsc#1177077
Cross-References:	CVE-2020-25681 CVE-2020-25682 CVE-2020-25683 CVE-2020-25684 CVE-2020-25685 CVE-2020-25686 CVE-2020-25687
CVSS scores:	CVE-2020-25681 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2020-25681 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2020-25682 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2020-25682 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2020-25683 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-25683 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-25684 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N CVE-2020-25684 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2020-25685 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N CVE-2020-25685 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2020-25686 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N CVE-2020-25686 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2020-25687 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-25687 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	HPE Helion OpenStack 8 SUSE Enterprise Storage 5 SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE OpenStack Cloud 7 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9

An update that solves seven vulnerabilities can now be installed.

Description:

This update for dnsmasq fixes the following issues:

• bsc#1177077: Fixed DNSpooq vulnerabilities
• CVE-2020-25684, CVE-2020-25685, CVE-2020-25686: Fixed multiple Cache Poisoning attacks.

• CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687: Fixed multiple potential Heap-based overflows when DNSSEC is enabled.

• Retry query to other servers on receipt of SERVFAIL rcode (bsc#1176076)

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:

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2021-166=1
• SUSE OpenStack Cloud 7
  zypper in -t patch SUSE-OpenStack-Cloud-7-2021-166=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2021-166=1
• SUSE OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2021-166=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-166=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-166=1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2021-166=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-166=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-166=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-166=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-166=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2021-166=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2021-166=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-166=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-166=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-166=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2021-166=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-166=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-166=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-166=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-166=1
• SUSE Enterprise Storage 5
  zypper in -t patch SUSE-Storage-5-2021-166=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • dnsmasq-debugsource-2.78-18.15.1
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-utils-debuginfo-2.78-18.15.1
  • dnsmasq-utils-2.78-18.15.1
• SUSE OpenStack Cloud 7 (x86_64)
  • dnsmasq-debugsource-2.78-18.15.1
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-utils-debuginfo-2.78-18.15.1
  • dnsmasq-utils-2.78-18.15.1
• SUSE OpenStack Cloud 8 (x86_64)
  • dnsmasq-debugsource-2.78-18.15.1
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-utils-debuginfo-2.78-18.15.1
  • dnsmasq-utils-2.78-18.15.1
• SUSE OpenStack Cloud 9 (x86_64)
  • dnsmasq-debugsource-2.78-18.15.1
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-utils-debuginfo-2.78-18.15.1
  • dnsmasq-utils-2.78-18.15.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • dnsmasq-debugsource-2.78-18.15.1
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-utils-debuginfo-2.78-18.15.1
  • dnsmasq-utils-2.78-18.15.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • dnsmasq-debugsource-2.78-18.15.1
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-utils-debuginfo-2.78-18.15.1
  • dnsmasq-utils-2.78-18.15.1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (ppc64le s390x x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64 x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 ppc64le s390x x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1
• SUSE Enterprise Storage 5 (aarch64 x86_64)
  • dnsmasq-debuginfo-2.78-18.15.1
  • dnsmasq-2.78-18.15.1
  • dnsmasq-debugsource-2.78-18.15.1

References:

• https://www.suse.com/security/cve/CVE-2020-25681.html
• https://www.suse.com/security/cve/CVE-2020-25682.html
• https://www.suse.com/security/cve/CVE-2020-25683.html
• https://www.suse.com/security/cve/CVE-2020-25684.html
• https://www.suse.com/security/cve/CVE-2020-25685.html
• https://www.suse.com/security/cve/CVE-2020-25686.html
• https://www.suse.com/security/cve/CVE-2020-25687.html
• https://bugzilla.suse.com/show_bug.cgi?id=1176076
• https://bugzilla.suse.com/show_bug.cgi?id=1177077