This time I decided to check one simple challenge found somewhere between other challenges found at github. We will check stackoverflow-intro (pretty similar to few cases from Protostar CTF). Here we go...
We will start here:
After reading the source we should already be prepared to overwrite the value with success() address:
Got success() address, time to calculate the overflow:
Great! It's done. :)
See you next time!
Cheers
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