CrossCTF_2017: Patching Frobnicator

Category: Defense Points: 150 Description:

Patch the frobnicator! Use the following command curl -v -F secretKey=@localFile 192.168.0.30:8080/api/frobnicator Binary to patch here

Write-up

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.

Screenshot

Solution.

results matching ""

    No results matching ""