Apple's Predicament: NSPredicate Exploits on iOS and macOS

In 2021 the FORCEDENTRY sandbox escape introduced the usage of NSPredicate in an iOS exploit. This new technique allowed attackers to sidestep codesigning, ASLR, and all other mitigations to execute arbitrary code on Apple devices. As a result, Apple put in place new restrictions to make NSPredicate less powerful and less useful for exploits. This presentation will cover new research showing that these added restrictions could be completely circumvented in iOS 16, and how NSPredicates could be exploited to gain …

apple arbitrary code aslr attackers code codesigning devices escape exploit exploits forcedentry ios macos mitigations restrictions result sandbox sandbox escape