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HistoryOct 15, 2014 - 12:00 a.m.

[USN-2383-1] wpa_supplicant vulnerability


Ubuntu Security Notice USN-2383-1
October 14, 2014

wpa, wpasupplicant vulnerability

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

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS


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

Software Description:

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


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:

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

Ubuntu 14.04 LTS:
wpasupplicant 2.1-0ubuntu1.1

Ubuntu 12.04 LTS:
wpasupplicant 0.7.3-6ubuntu2.3

Ubuntu 10.04 LTS:
wpasupplicant 0.6.9-3ubuntu3.2

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


Package Information:

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