SUSE Security Update: Security update for ntp
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:1823-1
Rating:             moderate
References:         #1125401 #1169740 #1171355 #1172651 #1173334 
                    #992038 
Cross-References:   CVE-2018-8956 CVE-2020-11868 CVE-2020-13817
                    CVE-2020-15025
Affected Products:
                    SUSE Linux Enterprise Server for SAP 15
                    SUSE Linux Enterprise Server 15-LTSS
                    SUSE Linux Enterprise Module for Legacy Software 15-SP2
                    SUSE Linux Enterprise Module for Legacy Software 15-SP1
______________________________________________________________________________

   An update that solves four vulnerabilities and has two
   fixes is now available.

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).
   - Removed an OpenSSL version warning (bsc#992038 and bsc#1125401).


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:

   - SUSE Linux Enterprise Server for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1823=1

   - SUSE Linux Enterprise Server 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1823=1

   - SUSE Linux Enterprise Module for Legacy Software 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Legacy-15-SP2-2020-1823=1

   - SUSE Linux Enterprise Module for Legacy Software 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Legacy-15-SP1-2020-1823=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):

      ntp-4.2.8p15-4.10.1
      ntp-debuginfo-4.2.8p15-4.10.1
      ntp-debugsource-4.2.8p15-4.10.1

   - SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):

      ntp-4.2.8p15-4.10.1
      ntp-debuginfo-4.2.8p15-4.10.1
      ntp-debugsource-4.2.8p15-4.10.1

   - SUSE Linux Enterprise Module for Legacy Software 15-SP2 (aarch64 ppc64le s390x x86_64):

      ntp-4.2.8p15-4.10.1
      ntp-debuginfo-4.2.8p15-4.10.1
      ntp-debugsource-4.2.8p15-4.10.1

   - SUSE Linux Enterprise Module for Legacy Software 15-SP1 (aarch64 ppc64le s390x x86_64):

      ntp-4.2.8p15-4.10.1
      ntp-debuginfo-4.2.8p15-4.10.1
      ntp-debugsource-4.2.8p15-4.10.1


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/1125401
   https://bugzilla.suse.com/1169740
   https://bugzilla.suse.com/1171355
   https://bugzilla.suse.com/1172651
   https://bugzilla.suse.com/1173334
   https://bugzilla.suse.com/992038

_______________________________________________
sle-security-updates mailing list
sle-security-updates@lists.suse.com
http://lists.suse.com/mailman/listinfo/sle-security-updates

SUSE: 2020:1823-1 moderate: ntp

July 2, 2020
An update that solves four vulnerabilities and has two fixes is now available

Summary

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). - Removed an OpenSSL version warning (bsc#992038 and bsc#1125401). ...

Read the Full Advisory

References

#1125401 #1169740 #1171355 #1172651 #1173334

#992038

Cross- CVE-2018-8956 CVE-2020-11868 CVE-2020-13817

CVE-2020-15025

Affected Products:

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise Module for Legacy Software 15-SP2

SUSE Linux Enterprise Module for Legacy Software 15-SP1

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/1125401

https://bugzilla.suse.com/1169740

https://bugzilla.suse.com/1171355

https://bugzilla.suse.com/1172651

https://bugzilla.suse.com/1173334

https://bugzilla.suse.com/992038

Severity
Announcement ID: SUSE-SU-2020:1823-1
Rating: moderate

Related News

The End of the Road for Linux 6.11: A Call to Upgrade to Kernel 6.12
3 - 5 min read
The Linux kernel community recently issued an EOL announcement regarding the 6.11 kernel series, urging sysadmins to upgrade quickly to 6.12 . This
A Linux Admin
3 - 6 min read
As 2025 approaches, we Linux admins are facing new and often unseen cloud-native security obstacles. While skilled at mitigating known risks,
Leveraging Insights from the Linux Foundation
3 - 5 min read
The Linux Foundation's recent Census III report provides critical insights for Linux administrators, information security professionals, and anyone
Chrome 131 Released: Emergency Security Update Fixes Over a Dozen Significant Vulns
3 - 6 min read
Google recently unveiled a critical security update to their popular web browser, Google Chrome, addressing over a dozen significant security
From Wayland Fixes to Security Boosts: Examining Qt 6.8.1
3 - 6 min read
The recent Qt 6.8.1 release brings significant updates and improvements, strengthening its reputation as a secure and reliable application
Exploring Arch Linux 2024.12.01: Security Implications & Notable Enhancements for Linux Admins
3 - 6 min read
The Arch Linux 2024.12.01 ISO release marks an impressive milestone, offering cutting-edge updates that enhance functionality, streamline
Deck the Halls with Enhanced Security: Linux Kernel 6.13
3 - 5 min read
As Linux admins and infosec professionals prepare for the holiday season, there's much cause for celebration this year! Linus Torvalds recently made
Lessons from Bootkitty: Securing Linux Systems Against UEFI Intrusions
3 - 5 min read
New Linux security threats mark critical junctures that challenge existing policies and test security protocols to their limit. One such milestone

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved