On Wed, May 31, 2023 at 5:36 AM Alan C. Assis wrote: > It only works on old ESP32 chips! > Espressif fixed our chips after receiving notification from this researchers. > So, you product with ESP32 are protected! ;-)
I think this fault injection (aka "glitching") in order to enable debug port that is disabled bu e-fuse is more common.. here is a nice video by Joe Grand working with STM32 based crypto wallet :-P https://www.youtube.com/watch?v=dT9y-KQbqi4 -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info