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2018 | OriginalPaper | Buchkapitel

Extending Automated Protocol State Learning for the 802.11 4-Way Handshake

verfasst von : Chris McMahon Stone, Tom Chothia, Joeri de Ruiter

Erschienen in: Computer Security

Verlag: Springer International Publishing

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Abstract

We show how state machine learning can be extended to handle time out behaviour and unreliable communication mediums. This enables us to carry out the first fully automated analysis of 802.11 4-Way Handshake implementations. We develop a tool that uses our learning method and apply this to 7 widely used Wi-Fi routers, finding 3 new security critical vulnerabilities: two distinct downgrade attacks and one router that can be made to leak some encrypted data to an attacker before authentication.

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Vorheriges Kapitel Beneath the Bonnet: A Breakdown of Diagnostic Security

Nächstes Kapitel Automatic Detection of Various Malicious Traffic Using Side Channel Features on TCP Packets

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https://chrismcmstone.github.io/wifi-learner/.

Retransmissions definitions can be customised. For the purpose of testing Wi-Fi, we define a retransmission to be an identical message as before, with the exception of the Replay Counter value.

http://www.secdev.org/projects/scapy/.

https://chrismcmstone.github.io/wifi-learner/.

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Titel: Extending Automated Protocol State Learning for the 802.11 4-Way Handshake
verfasst von: Chris McMahon Stone
Tom Chothia
Joeri de Ruiter
Verlag: Springer International Publishing
Buch: Computer Security
Print ISBN: 978-3-319-99072-9

Electronic ISBN: 978-3-319-99073-6

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-3-319-99073-6_16

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