USN-1802-1: Samba vulnerability

16 April 2013

samba vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS


Samba would allow unintended write access to files over the network.

Software Description

  • samba - SMB/CIFS file, print, and login server for Unix


It was discovered that Samba incorrectly handled CIFS share attributes when SMB2 was used. A remote authenticated user could possibly gain write access to certain shares, bypassing the intended permissions.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 LTS
samba - 2:3.6.3-2ubuntu2.6

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.