USN-2383-1: wpa_supplicant vulnerability

Publication date

14 October 2014

Overview

wpa_supplicant could be made to run programs if it received specially crafted network traffic.


Packages

  • wpa - client support for WPA and WPA2
  • wpasupplicant - client support for WPA and WPA2

Details

Jouni Malinen discovered that the wpa_cli tool incorrectly sanitized
strings when being used with action scripts. A remote attacker could
possibly use this issue to execute arbitrary commands.

Jouni Malinen discovered that the wpa_cli tool incorrectly sanitized
strings when being used with action scripts. A remote attacker could
possibly use this issue to execute arbitrary commands.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.04 trusty wpasupplicant –  2.1-0ubuntu1.1
12.04 precise wpasupplicant –  0.7.3-6ubuntu2.3
10.04 lucid wpasupplicant –  0.6.9-3ubuntu3.2

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Have additional questions?

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