usbliter8: New iPhone BootROM Vulnerability Exposes A12/A13 Apple SoCs to Full Chain-of-Trust Compromise
Security researchers have disclosed ‘usbliter8,’ a critical hardware-level BootROM vulnerability affecting Apple devices with A12, S4/S5, and A13 SoCs. The flaw allows attackers to bypass Apple’s entire Secure Boot chain — and because it resides in immutable silicon, no software patch is possible. Affected devices include iPhone XS, XR, and iPhone 11 series.
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