Researchers disclose unpatchable exploit in older Apple chips (opens in new tab)

Security researchers at Paradigm Shift disclosed “usbliter8,” a BootROM/SecureROM exploit affecting Apple devices with A12 and A13 chips, including iPhone XS, XR and iPhone 11 models, with several reports also identifying S4 and S5 Apple Watch chips as affected. Paradigm Shift said the exploit combines a hardware bug in the USB controller with a firmware configuration flaw, allowing code execution before iOS loads and enabling modified software to boot on affected devices. The flaw cannot be ...