[USN-3353-4] Samba vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Jul 24 18:06:37 UTC 2017
Ubuntu Security Notice USN-3353-4
July 24, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Samba could allow unintended access to network services.
- samba: SMB/CIFS file, print, and login server for Unix
USN-3353-1 fixed a vulnerability in Heimdal. This update provides the
corresponding update for Samba.
Original advisory details:
Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered
that Samba clients incorrectly trusted unauthenticated portions
of Kerberos tickets. A remote attacker could use this to impersonate
trusted network services or perform other attacks.
The problem can be corrected by updating your system to the following
Ubuntu 12.04 ESM:
In general, a standard system update will make all the necessary
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