Mike
Mike 23 Nov 2021
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FragAttacks: Presentation at USENIX Security 2021

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For more info see https://www.fragattacks.com

Contents of the presentation

0:00 - Intro
1:12 - Aggregation background
2:17 - Aggregation attack
4:05 - Fragmentation background
5:03 - Fragment cache attack
6:47 - Mixed key attack
8:58 - Easy to abuse implementation flaws
10:01 - All devices have vulnerabilities
10:32 - Tool to test devices
10:46 - Discussion and long-term lessons

This presentation was made for the academic USENIX Security 2021 conference and is based on the research paper "Fragment and Forge: Breaking Wi-Fi Through Frame Aggregation and Fragmentation". This is not a hacking tutorial.

Additional information
Demonstration of flaws: https://youtu.be/4RmBZT-L1kY
Research paper: https://papers.mathyvanhoef.com/usenix2021.pdf

Academic conference: https://www.usenix.org/confere....nce/usenixsecurity21
Test tool: https://github.com/vanhoefm/fragattack

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