CrossCTF_2017: Patching Frobnicator

Category: Defense Points: 150 Description:

Patch the frobnicator! Use the following command curl -v -F secretKey=@localFile Binary to patch here


Relatively simple to patch this one, as the vulnerability is spawned by a typo in the malloc. To solve, simply patch it by swapping the size argument of the magic() function of 0x6020c0 and 0x6020b8.



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