iLeakage: Browser-based Timerless Speculative Execution Attacks on Apple Devices

• DOI: 10.1145/3576915.3616611
• Publication Date: 2023-11-21T17:35:13Z
• Authors: Jason Kim; Stephan van Schaik; Daniel Genkin; Yuval Yarom
• Keywords: x86; ARM architecture

Over the past few years, high-end CPU market is undergoing a transformational change. Moving away from using x86 as sole architecture for high performance devices, we have witnessed introduction of heavy-weight Arm CPUs computing devices. Among these, perhaps most influential was Apple's M-series architecture, aimed at completely replacing Intel in Apple ecosystem. However, while significant effort has been invested analyzing CPUs, ecosystem remains largely unexplored.