USN-3976-4: Samba vulnerability
27 May 2019
USN-3976-1 introduced a regression in Samba.
Releases
Packages
- samba - SMB/CIFS file, print, and login server for Unix
Details
USN-3976-1 fixed a vulnerability in Samba. The update introduced a
regression causing Samba to occasionally crash. This update fixes the
problem.
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
In general, a standard system update will make all the necessary changes.