CSRF

Work in Progress

Summary

Attack

  • attacker tricks user to visit a website with some request
  • if the user is authenticate with that website, the request will go through

Attacker’s goals

  • trigger unwanted authentication action

Defense

  • stay logged out when not intending to use the service
  • clear cookies
  • include something unpredictable in the URL, ie. token

Concept

Cross Site Request Forgery(CSRF)

  • exploits server’s trust of the client