Exploiting Protostar – Heap Unlink Exploitation

Nov. 23, 2017 0 comments www.pentestingexperts.com

In this article, we will be solving the 4th challenge from Heap Levels of Protostar. Introduction This level introduces us to a very old heap unlink vulnerability where one can exploit the malloc’s way of unlinking free heap chunks and gain code execution by overwriting arbitrary memory locations on the heap. If you have no …