  PageantSock.prototype.end = PageantSock.prototype.destroy = function() {
    this.buffer = null;
    if (this.proc) {
      this.proc.kill();
      this.proc = undefined;
    }
  };
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.