Ubuntu 4563-2: NTP vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: ntp 1:4.2.8p12+dfsg-3ubuntu4.20.10.1 ntpdate 1:4.2.8p12+dfsg-3ubuntu4.20.10.1 sntp 1:4.2.8p12+dfsg-3ubuntu4.20.10.1 Ubuntu 20.04 LTS: ntp 1:4.2.8p12+dfsg-3ubuntu4.20.04.1 ntpdate 1:4.2.8p12+dfsg-3ubuntu4.20.04.1 sntp 1:4.2.8p12+dfsg-3ubuntu4.20.04.1 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4563-2
https://ubuntu.com/security/notices/USN-4563-1
CVE-2019-8936
Package Information
https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p12+dfsg-3ubuntu4.20.10.1 https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p12+dfsg-3ubuntu4.20.04.1