USN-4136-1: wpa_supplicant and hostapd vulnerability
18 September 2019
wpa_supplicant could be made to be disconnected and require reconnection to the network if it received a specially crafted management frame.
Releases
Packages
- wpa - client support for WPA and WPA2
Details
It was discovered that wpa_supplicant incorrectly handled certain management
frames. An 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 19.04
Ubuntu 18.04
Ubuntu 16.04
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Related notices
- USN-4136-2: hostapd, wpa, wpagui, wpasupplicant, wpasupplicant-udeb