[jevinskie]

And for anyone thinking about ways to fix that problem, the researchers could have hooked SSL's read/write calls using a DYLD interposing library. Once you get superuser access on the phone, you can't trust your code to be safe.

[Xuzz]

There is no jailbreak for the iPhone 4S (at least not publicly available), so any hacks like this must be done from outside the device.