buffer overflow

$1.$ What is your approach to exploit the program? For instance, what kind of data $($e$.$g$,$ internal variables, adjacent

buffer, function return address, etc.$)$ do you want the buffer overflow to overwrite and why? Where are they

located on the stack$/$heap$?$

$2.$ What is your attack vector, and why?

$3.$ Were you successful in exploiting buffer overflow to achieve the goal? Why$/$why not?

$4.$ Explain why you have a $$Segmentation fault$($if any