Mitigations for Key Reinstallation Attacks Against Wi-Fi Protected Access II (WPA2)

Abstract: On October 16, 2017, a vulnerability in the Wi-Fi Protected Access II (WPA2) mechanism used for authentication and session key agreement was released.  The vulnerability affects the following WPA2 handshakes: the Four-way, Group Key, Fast BSS Transition (FT), Peerkey, TDLS, and WMN Sleep Mode Response handshakes.

Date Published:

Last Reviewed: 18 October 2017

Identifier: U/OO/208765-17

Dissemination Control: N/A

Length: 2 page(s)

Format: pdf

Type: Advisory/Alert; IA Technical Advisory

Tags: Advisory; Authentication; Wi-Fi Protected Access II; WAP2; session key; handshake; Four-Way; Group Key; Fast BSS Transition; Peerkey; TDLS; WMN Sleep Mode Response