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...which makes me think that there's a good chance that this is definitely not how we're expected to do this. ROP in libc works, sure, but I'd like to figure out what they also expected me to do/find here.
Sometimes the fun in CTF problems is doing it the way they *didn't* expect you to do it. At last CCC's CTF we solved a challenge1 one way, then challenge2 worked with the exact same code. There was supposed to be an "easier" way for challenge1... but it looked more annoying.
Yeah, I understand, but the thing is that I know the overarching "more challenging" methods for writing exploits. These are meant to teach tricks 1 by 1 and I'd like to figure out what the tricks are here that I'm missing. At least, I think that's reasonable?
Sure, if you're trying to learn; I just find that if I already have a valid (if no "the" intended) solution there's a limit to how much time I'm willing to waste trying to find the "right" way. At some point it's more efficient to just look up a write-up for that.
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