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Koh M. Nakagawa

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titleconferencedate
Stealing All macOS Sensitive Info with a Single VulnerabilityNullcon Berlin 20252025-09-04
A macOS privilege error grants gcore the com.apple.system-task-ports.read entitlement so a one-line PoC dumps any process—even with SIP—by running gcore…
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Bypassing macOS Security and Privacy Mechanisms: From Gatekeeper to System Integrity ProtectioCODE BLUE 20232023-11-08
Shows concrete exploits and working demos: a quarantine propagation bug where the uchg file flag prevents quarantine attributes from being applied after TGZ…
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Dirty Bin Cache: A New Code Injection Poisoning Binary Translation CacheBlack Hat Asia 20232023-05-09
Claims a new code‑injection method called AOT poisoning that corrupts Rosetta 2 AOT files by modifying an x86_64 binary via mmap without calling msync so the…
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