USN-3296-1: Samba vulnerability
Ubuntu Security Notice USN-3296-1
24th May, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Samba could be made to run programs as an administrator.
- samba - SMB/CIFS file, print, and login server for Unix
It was discovered that Samba incorrectly handled shared libraries. A remote
attacker could use this flaw to upload a shared library to a writable share
and execute arbitrary code.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.04:
- samba 2:4.5.8+dfsg-0ubuntu0.17.04.2
- Ubuntu 16.10:
- samba 2:4.4.5+dfsg-2ubuntu5.6
- Ubuntu 16.04 LTS:
- samba 2:4.3.11+dfsg-0ubuntu0.16.04.7
- Ubuntu 14.04 LTS:
- samba 2:4.3.11+dfsg-0ubuntu0.14.04.8
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.