USN-1423-1: Samba vulnerability

13 April 2012

samba vulnerability

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

  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04 LTS
  • Ubuntu 8.04 LTS


Samba could be made to run programs as the administrator if it received specially crafted network traffic.

Software Description

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


Brian Gorenc discovered that Samba incorrectly calculated array bounds when handling remote procedure calls (RPC) over the network. A remote, unauthenticated attacker could exploit this to execute arbitrary code as the root user. (CVE-2012-1182)

Update instructions

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

Ubuntu 11.10
samba - 2:3.5.11~dfsg-1ubuntu2.2
Ubuntu 11.04
samba - 2:3.5.8~dfsg-1ubuntu2.4
Ubuntu 10.04 LTS
samba - 2:3.4.7~dfsg-1ubuntu3.9
Ubuntu 8.04 LTS
samba - 3.0.28a-1ubuntu4.18

To update your system, please follow these instructions:

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