Description
STMicroelectronics SPC58 is vulnerable to Missing Protection Mechanism for Alternate Hardware Interface. Code running as Supervisor on the SPC58 PowerPC microcontrollers may disable the System Memory Protection Unit and gain unabridged read/write access to protected assets.
References
- https://www.st.com/resource/en/reference_manual/rm0452-spc58-h-line--32-bit-power-architecture-automotive-mcu-triple-z4-cores-200-mhz-10-mbytes-flash-hsm-asild-stmicroelectronics.pdf
- https://plaxidityx.com/blog/blog-post/is-your-memory-protecteduncovering-hidden-vulnerabilities-in-automotive-mpu-mechanisms/