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SUSE: 2020:1823-1 Moderate Update for NTP with Security Fixes

suse
Calendar Grey July 2, 2020
Dist Suse Esm H88
SUSE Security Update: Security update for ntp ______________________________________________________
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

Topics%20covered

Topics Covered

security advisory moderate Denial of Service time synchronization ntp SUSE Linux Enterprise

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

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

Topics%20covered

Topics Covered

security advisory moderate Denial of Service time synchronization ntp SUSE Linux Enterprise

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