=========================================================================Ubuntu Security Notice USN-3217-1
March 07, 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

Summary:

The system could be made to expose sensitive information.

Software Description:
- network-manager-applet: GNOME frontend for NetworkManager

Details:

It was 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           0.9.8.8-0ubuntu4.5

Ubuntu 12.04 LTS:
  network-manager-gnome           0.9.4.1-0ubuntu2.6

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

References:
  https://ubuntu.com/security/notices/USN-3217-1
  https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1668321

Package Information:
  https://launchpad.net/ubuntu/+source/network-manager-applet/1.2.6-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/network-manager-applet/1.2.6-0ubuntu0.16.04.2
  https://launchpad.net/ubuntu/+source/network-manager-applet/0.9.8.8-0ubuntu4.5
  https://launchpad.net/ubuntu/+source/network-manager-applet/0.9.4.1-0ubuntu2.6