[USN-3976-4] Samba vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon May 27 18:42:41 UTC 2019
Ubuntu Security Notice USN-3976-4
May 27, 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
USN-3976-1 introduced a regression in Samba.
- samba: SMB/CIFS file, print, and login server for Unix
USN-3976-1 fixed a vulnerability in Samba. The update introduced a
regression causing Samba to occasionally crash. This update fixes the
Original advisory details:
Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly
checked S4U2Self packets. In certain environments, a remote attacker
could possibly use this issue to escalate privileges.
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
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