USN-3969-2: wpa_supplicant and hostapd vulnerability
wpa vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary
wpa_supplicant and hostapd could be made to crash if they received
specially crafted network traffic.
Software Description
- wpa – client support for WPA and WPA2
Details
USN-3969-1 fixed a vulnerability in wpa_supplicant and hostapd. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that wpa_supplicant and hostapd incorrectly handled
unexpected fragments when using EAP-pwd. A remote attacker could possibly
use this issue to cause a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- hostapd – 2.1-0ubuntu1.7+esm1
- wpasupplicant – 2.1-0ubuntu1.7+esm1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-3969-2: wpa_supplicant and hostapd vulnerability
