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ESP32: wifi encryption-bypass CVE-2020-12638 #6360

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mcauser opened this issue Aug 22, 2020 · 0 comments
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ESP32: wifi encryption-bypass CVE-2020-12638 #6360

mcauser opened this issue Aug 22, 2020 · 0 comments
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port-esp32 port-esp8266

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@mcauser
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mcauser commented Aug 22, 2020

Affected Devices: ESP32 & ESP8266

Vulnerability:
https://nvd.nist.gov/vuln/detail/CVE-2020-12638

Espressif's Security Advisory:
https://www.espressif.com/sites/default/files/advisory_downloads/Security%20advisory_%20authentication%20bypass.pdf

Proof of Concept:
https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors

Fix was applied to the 3.0 branch but still waiting on 2.2.x:
espressif/ESP8266_NONOS_SDK#326

Workaround in ESP8266 Auduino:
esp8266/Arduino#7486
@mcauser mcauser closed this as completed Aug 27, 2021
tannewt pushed a commit to tannewt/circuitpython that referenced this issue May 12, 2022
@jepler
Merge pull request micropython#6360 from jepler/statemachine-improvem…
5f4f667 
…ents

Statemachine improvements
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@mcauser @dpgeorge