USN-3939-1: Samba vulnerability
samba vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Samba could be made to create files in unexpected locations.
Software Description
- samba – SMB/CIFS file, print, and login server for Unix
Details
Michael Hanselmann discovered that Samba incorrectly handled registry
files. A remote attacker could possibly use this issue to create new
registry files outside of the share, contrary to expectations.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- libsmbclient – 2:4.8.4+dfsg-2ubuntu2.3
- samba – 2:4.8.4+dfsg-2ubuntu2.3
- Ubuntu 18.04 LTS
- libsmbclient – 2:4.7.6+dfsg~ubuntu-0ubuntu2.9
- samba – 2:4.7.6+dfsg~ubuntu-0ubuntu2.9
- Ubuntu 16.04 LTS
- libsmbclient – 2:4.3.11+dfsg-0ubuntu0.16.04.19
- samba – 2:4.3.11+dfsg-0ubuntu0.16.04.19
- Ubuntu 14.04 LTS
- libsmbclient – 2:4.3.11+dfsg-0ubuntu0.14.04.20
- samba – 2:4.3.11+dfsg-0ubuntu0.14.04.20
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.
References
Source: USN-3939-1: Samba vulnerability
