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What is the coolest form of swapping two variables in C? Advertisements
I’am not sure about what the original intention of this level was (maybe to brute-force the password?). I solved it using an online search for the md5 hash … 🙂
I found this level very cool. I’ve heard about format string bugs before, and I had the theoretical knowledge, about the mechanism of this class of bugs, but I’ve never exploited a format string bug. I’ve started with this paper. … Continue reading
You can find a very detailed description of this level on the following blog. This level is a bit harder, because you not only have to take control over the execution flow, but you must provide the missing functionality for … Continue reading
You can find the description of this level here. It is not hard to figure out, that the process which calls tar command, has the privileges to access the file, which contains the password we need.
Finally phrack #67 was released. I will spend the afternoon reading it … :-).
This one is still a warming up level. Try to rebuild the code with some new printf statements, just to gather information of the memory layout: