Rapid7 Vulnerability & Exploit Database

CentOS Linux: CVE-2020-11868: Moderate: ntp security update (CESA-2020:2663)

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CentOS Linux: CVE-2020-11868: Moderate: ntp security update (CESA-2020:2663)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
04/17/2020
Created
06/24/2020
Added
06/24/2020
Modified
05/25/2023

Description

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.

Solution(s)

  • centos-upgrade-ntp
  • centos-upgrade-ntp-debuginfo
  • centos-upgrade-ntp-doc
  • centos-upgrade-ntp-perl
  • centos-upgrade-ntpdate
  • centos-upgrade-sntp

References

  • CVE-2020-11868

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