STM32F205 write-protection issue

[tsusanka]

Impact: -
Scalability: Supply Chain
Severity: -
Fixed in: Firmware 1.6.1
Reported by: Saleem Rashid
Date reported: 2018-02-12

Details

The bootloader memory write-protection is not working as intended in the STM32F205, which is used in the Trezor One. The issue was solved by activating the Memory Protection Unit, keeping the bootloader safe from unauthorized write-access.

Fix

trezor/trezor-firmware@9588e8f

Read more

Official blogpost