Security update for ntp

Announcement ID:	SUSE-SU-2020:1805-1
Rating:	moderate
References:	bsc#1169740 bsc#1171355 bsc#1172651 bsc#1173334
Cross-References:	CVE-2018-8956 CVE-2020-11868 CVE-2020-13817 CVE-2020-15025
CVSS scores:	CVE-2018-8956 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2018-8956 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2020-11868 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2020-11868 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-13817 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-13817 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H CVE-2020-15025 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2020-15025 ( NVD ): 4.9 CVSS:3.1/AV:N/AC:L/PR:H/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 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 Crowbar 8

An update that solves four vulnerabilities can now be installed.

Description:

This update for ntp fixes the following issues:

ntp was updated to 4.2.8p15

• CVE-2020-11868: Fixed an issue which a server mode packet with spoofed source address frequently send to the client ntpd could have caused denial of service (bsc#1169740).
• CVE-2018-8956: Fixed an issue which could have allowed remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via spoofed mode 3 and mode 5 packets (bsc#1171355).
• CVE-2020-13817: Fixed an issue which an off-path attacker with the ability to query time from victim's ntpd instance could have modified the victim's clock by a limited amount (bsc#1172651).
• CVE-2020-15025: Fixed an issue which remote attacker could have caused denial of service by consuming the memory when a CMAC key was used andassociated with a CMAC algorithm in the ntp.keys (bsc#1173334).

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-8-2020-1805=1
• SUSE OpenStack Cloud 7
  zypper in -t patch SUSE-OpenStack-Cloud-7-2020-1805=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2020-1805=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-1805=1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-1805=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-1805=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-1805=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-1805=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-1805=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-1805=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-1805=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2020-1805=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-1805=1
• SUSE Linux Enterprise High Performance Computing 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-1805=1
• SUSE Linux Enterprise Server 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-1805=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-1805=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1805=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1805=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1805=1
• SUSE Enterprise Storage 5
  zypper in -t patch SUSE-Storage-5-2020-1805=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE OpenStack Cloud 7 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE OpenStack Cloud 8 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (ppc64le s390x x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise High Performance Computing 12 SP4 (aarch64 x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP4 (aarch64 ppc64le s390x x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1
• SUSE Enterprise Storage 5 (aarch64 x86_64)
  • ntp-debuginfo-4.2.8p15-88.1
  • ntp-debugsource-4.2.8p15-88.1
  • ntp-4.2.8p15-88.1
  • ntp-doc-4.2.8p15-88.1

References:

• https://www.suse.com/security/cve/CVE-2018-8956.html
• https://www.suse.com/security/cve/CVE-2020-11868.html
• https://www.suse.com/security/cve/CVE-2020-13817.html
• https://www.suse.com/security/cve/CVE-2020-15025.html
• https://bugzilla.suse.com/show_bug.cgi?id=1169740
• https://bugzilla.suse.com/show_bug.cgi?id=1171355
• https://bugzilla.suse.com/show_bug.cgi?id=1172651
• https://bugzilla.suse.com/show_bug.cgi?id=1173334