Apple’s M1 chip isn’t as safe from buffer overflows as previously thought. M1 and other designs based on ARMv8.3 can have their protections neutered. MIT researchers have worked out they can brute-force the protective “pointer authentication codes” (PAC) without being detected—even in kernel memory.
Link: Apple M1 Flaw Can’t be Fixed
via securityboulevard.com
Techie.Buzz 