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CVE-2020-27212 – STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect acce

STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect access control. The flash read-out protection (RDP) can be degraded from RDP level 2 (no access via debug interface) to level 1 (limited access via debug interface) by injecting a fault during the boot phase.

 

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27212

Reference (s):

  • https://eprint.iacr.org/2021/640
  • https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
  • https://www.aisec.fraunhofer.de/en/FirmwareProtection.html

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