iOS < 12.2 / macOS < 10.14.4 XNU - pidversion Increment During execve is Unsafe Exploit

iOS 12.2 / macOS 10.14.4 XNU - pidversion Increment During execve is Unsafe Exploit Privileged IPC services in userspace often have to verify the security context of their client processes such as whether the client is sandboxed, has a specific entitlement, or is signed by some code signing...

iOS < 12.2 / macOS < 10.14.4 XNU - pidversion Increment During execve is Unsafe

Privileged IPC services in userspace often have to verify the security context of their client processes such as whether the client is sandboxed, has a specific entitlement, or is signed by some code signing authority. This, in turn, requires a way to identify a client process. If PIDs are used f...