Several security issues were fixed in Samba.
USN-4217-1 fixed several vulnerabilities in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM.
11 December 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Samba.
USN-4217-1 fixed several vulnerabilities in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Andreas Oster discovered that the Samba DNS management server incorrectly handled certain records. An authenticated attacker could possibly use this issue to crash Samba, resulting in a denial of service. (CVE-2019-14861)
Isaac Boukris discovered that Samba did not enforce the Kerberos DelegationNotAllowed feature restriction, contrary to expectations. (CVE-2019-14870)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon