iOS Binary Protection Missing
Overview
iOS binaries should be compiled with hardening flags:
- PIE (ASLR): Randomizes memory addresses, making exploits harder
- Stack Canaries: Detects stack smashing before return address overwrite
- ARC (Automatic Reference Counting): Reduces use-after-free vulnerabilities
- Bitcode: Allows Apple to re-optimize binary with future security improvements
Missing these protections makes reverse engineering and exploitation easier.
Remediation
- Enable PIE:
-pielinker flag - Enable Stack Canaries:
-fstack-protector-all - Enable ARC in Objective-C projects
- Build with latest Xcode toolchain