title: How will a server become vulnerable with chmod 777?
body: <p>I often read articles saying something along the lines of </p>
  
  <blockquote>
    <p>chmod 777 is bad!</p>
  </blockquote>
  
  <p>I was wondering:</p>
  
  <p>How do I become vulnerable when I execute <code>chmod 777</code> on a file? </p>
  
  <p>What is a real world example of this that I can reproduce?</p>