wpa_supplicant: Reinstallation of the group key in the 4-way handshake

A new exploitation technique called key reinstallation attacks KRACK affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit this attack to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by reinstalling a previously used group key GTK during a 4-way...

WPA2 Wireless Network GTK Group Key Reinstallation Vulnerability

WPA Wi-Fi Protected Access is a system for securing wireless computer networks Wi-Fi. WPA2 wireless networks suffer from a GTK group key reload vulnerability in the fourth handshake. The vulnerability is due to the fact that Wi-Fi Protected Access II WPA2 handshake traffic can be manipulated to...