Printf

Linux Heap Exploitation Intro Series – (BONUS) printf might be leaking!

19 June 2017 ~9 min By Javier Jimenez
Exploit Heap Heap Linux Double Free Exploitaion Printf
Intro Hi there (again)! This series are going to an end as the next and feasible step is the widely known buffer overflow and its analysis in the heap and, I am not too convinced about it since the unsafe unlink method is long gone. But don’t be sad, today we are going for a bonus one! During the last post (double free attacks) one I stumbled across some weird behaviour that caught my attention by functions of the vfprintf.c family (for example printf or puts functions).