[USN-4217-2] Samba vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Wed Dec 11 17:00:02 UTC 2019
Ubuntu Security Notice USN-4217-2
December 11, 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Several security issues were fixed in Samba.
- samba: SMB/CIFS file, print, and login server for Unix
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.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.
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