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Where did ieee80211_raw_frame_sanity_check came from? #9

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risinek opened this issue Dec 18, 2020 · 3 comments
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Where did ieee80211_raw_frame_sanity_check came from? #9

risinek opened this issue Dec 18, 2020 · 3 comments

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@risinek
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risinek commented Dec 18, 2020

Hola,
I'm curious how ieee80211_raw_frame_sanity_check function was found? Was it done by decompiling official ESP WiFi libraries similarly to how it was done in Jeija/esp32-80211-tx project? I understand how the patch itself works, but I'm interested in details about how it was researched.
@jaovitubr
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yes I also want to know where it came from

@henriquenunez
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Yep,
Ghidra was used to decompile the firmware, and a call to that function was found and then bypassed.

@risinek
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risinek commented Jan 23, 2021

Great! Thanks for confirming.

@risinek risinek closed this as completed Jan 23, 2021
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@risinek @henriquenunez @jaovitubr