ELF x86 - BSS buffer overflow

root-me ELF x86 - BSS buffer overflow wooy0ng 2017. 11. 13. 18:38 이웃추가 본문 기타 기능 #include #include char username[512] = {1}; void (*_atexit)(int) = exit; void cp_username(char *name, const char *arg) { while((*(name++) = *(arg++))); *name = 0; } int main(int argc, char **argv) { if(argc != 2) { printf("[-] Usage : %s \n", argv[0]); exit(0); } cp_username(username, argv[1]); printf("[+] Running program with username : %s\n", username); _atexit(0); return 0; } 위 힌트를 보...