PicoCTF - Buffer Overflow 3
Intro Do you think you can bypass the protection and get the flag? It looks like Dr. Oswal added a stack canary to this program to protect against buffer overflows. We are given compiled binary, its source and the host and port where challenge is hosted. saturn.picoctf.net 63181 #include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <sys/types.h>#include <wchar.h>#include <locale.h> #define BUFSIZE 64 #define FLAGSIZE 64 #define CANARY_SIZE 4 void win() { char buf[FLAGSIZE]; FILE *f = fopen("flag....