USN-3217-1: network-manager-applet vulnerability

7 March 2017

network-manager-applet vulnerability

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


The system could be made to expose sensitive information.

Software Description

  • network-manager-applet - GNOME frontend for NetworkManager


Frederic Bardy and Quentin Biguenet discovered that network-manager-applet incorrectly checked permissions when connecting to certain wireless networks. A local attacker could use this issue at the login screen to access local files.

Update instructions

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

Ubuntu 16.10
network-manager-gnome - 1.2.6-0ubuntu1.1
Ubuntu 16.04 LTS
network-manager-gnome - 1.2.6-0ubuntu0.16.04.2
Ubuntu 14.04 LTS
network-manager-gnome -
Ubuntu 12.04 LTS
network-manager-gnome -

To update your system, please follow these instructions:

After a standard system update you need to reboot your computer to make all the necessary changes.