A12 & A13 Apple devices face an unpatchable SecureROM vulnerability

Security researchers have published a new unpatchable SecureROM exploit for Apple's A12 and A13 chips, extending public BootROM exploitation beyond the devices affected by checkm8. iPhone XR Security firm Paradigm Shift disclosed the unpatched exploit, called usbliter8, on June 18. It achieves code execution through a flaw in Apple's USB boot process.