DrupalV7.3.1框架处理不当导致SQL注入

function user_login_authenticate_validate($form, &$form_state) {
  $password = trim($form_state['values']['pass']);
  if (!empty($form_state['values']['name']) && !empty($password)) {
    // Do not allow any login from the current user's IP if the limit has been
    // reached. Default is 50 failed attempts allowed in one hour. This is
    // independent of the per-user limit to catch attempts from one IP to log
    // in to many different user accounts.  We have a reasonably high limit
    // since there may be only one apparent IP for all users at an institution.
    if (!flood_is_allowed('failed_login_attempt_ip', variable_get('user_failed_login_ip_limit', 50), variable_get('user_failed_login_ip_window', 3600))) {
      $form_state['flood_control_triggered'] = 'ip';
      return;
    }
    $account = db_query("SELECT * FROM {users} WHERE name = :name AND status = 1", array(':name' => $form_state['values']['name']))->fetchObject();

  //省略无关代码...

function db_query($query, array $args = array(), array $options = array()) {
  if (empty($options['target'])) {
    $options['target'] = 'default';
  }

  return Database::getConnection($options['target'])->query($query, $args, $options);
}

  public function query($query, array $args = array(), $options = array()) {

    // Use default values if not already set.
    $options += $this->defaultOptions();

    try {
      // We allow either a pre-bound statement object or a literal string.
      // In either case, we want to end up with an executed statement object,
      // which we pass to PDOStatement::execute.
      if ($query instanceof DatabaseStatementInterface) {
        $stmt = $query;
        $stmt->execute(NULL, $options);
      }
      else {
        $this->expandArguments($query, $args);
        $stmt = $this->prepareQuery($query);
        $stmt->execute($args, $options);
      }
    //省略无关代码...

  protected function expandArguments(&$query, &$args) {
    $modified = FALSE;

    // If the placeholder value to insert is an array, assume that we need
    // to expand it out into a comma-delimited set of placeholders.
    foreach (array_filter($args, 'is_array') as $key => $data) {
      $new_keys = array();
      foreach ($data as $i => $value) {
        // This assumes that there are no other placeholders that use the same
        // name.  For example, if the array placeholder is defined as :example
        // and there is already an :example_2 placeholder, this will generate
        // a duplicate key.  We do not account for that as the calling code
        // is already broken if that happens.
        $new_keys[$key . '_' . $i] = $value;
      }

      // Update the query with the new placeholders.
      // preg_replace is necessary to ensure the replacement does not affect
      // placeholders that start with the same exact text. For example, if the
      // query contains the placeholders :foo and :foobar, and :foo has an
      // array of values, using str_replace would affect both placeholders,
      // but using the following preg_replace would only affect :foo because
      // it is followed by a non-word character.
      $query = preg_replace('#' . $key . '\b#', implode(', ', array_keys($new_keys)), $query);

      // Update the args array with the new placeholders.
      unset($args[$key]);
      $args += $new_keys;

      $modified = TRUE;
    }

    return $modified;
  }

db_query("SELECT * FROM {users} WHERE name = :name AND status = 1", array(':name' => $form_state['values']['name']))