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This Black Hat conference talk delves into critical security vulnerabilities discovered in Memory Protection Units (MPUs) used in automotive microcontrollers. Explore how MPUs function as essential security mechanisms in Electronic Control Units (ECUs) across the automotive industry, and learn about two newly identified vulnerabilities (CVE-2023-48010 and CVE-2024-33882) affecting PowerPC microcontroller families designed specifically for automotive applications. Understand the technical details of how these vulnerabilities can bypass MPU protection mechanisms, potentially compromising vehicle security. The presenters, Nimrod Stoler and David Lazar from PlaxidityX, also share their responsible disclosure process, recommended mitigations, and valuable insights for security professionals working with embedded automotive systems. Gain knowledge about the differences between Memory Management Units (MMUs) in standard computing devices and the specialized MPUs in microcontrollers that protect critical vehicle functions.
