  const reject = () => {
    if (reason === undefined) {
      if (localChan === -1)
        reason = CHANNEL_OPEN_FAILURE.RESOURCE_SHORTAGE;
      else
        reason = CHANNEL_OPEN_FAILURE.CONNECT_FAILED;
    }

    self._protocol.channelOpenFail(info.sender, reason, '');
  };
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.