Blue Badge

1460 Completed
24 Videos
11 Exercises

This badge is an extension of the yellow badge and covers complex attacks

Exercises

Easy
S2-052
  • This exercise covers the exploitation of the Struts S2-052 vulnerability
  • 1 video
  • Completed by 2449 students
  • Takes < 1 Hr. on average
  • Java/Struts

 

Easy
JWT VII
  • This exercise covers the exploitation of a website using JWT for session without verifying the signature
  • 2 videos
  • Completed by 3192 students
  • Takes < 1 Hr. on average
  • jwt
  • cwe-310

 

Easy
Git Information Leak
  • This exercise details how to retrieve information from an exposed .git directory on a web server
  • 1 video
  • Completed by 3349 students
  • Takes < 1 Hr. on average

 

Medium
JWT V
  • This exercise covers the exploitation of a trivial secret used to sign JWT tokens.
  • 4 videos
  • Completed by 2906 students
  • Takes < 1 Hr. on average
  • jwt
  • cwe-310

 

Medium
Git Information Leak II
  • This exercise details how to retrieve information from an exposed .git directory on a web server, provided directory listing is disabled
  • 1 video
  • Completed by 2476 students
  • Takes < 1 Hr. on average

 

Medium
JWT kid Injection
  • This exercise covers the exploitation of an issue in the usage of JWT token
  • 3 videos
  • Completed by 2784 students
  • Takes 1-2 Hrs. on average
  • jwt
  • cwe-310

 

Medium
JWT IV
  • This exercise covers the exploitation of a vulnerability similar to the recent CVE-2017-17405 impacting Ruby Net::FTP
  • 3 videos
  • Completed by 2580 students
  • Takes < 1 Hr. on average
  • jwt
  • cwe-310

 

Medium
JWT VI
  • This exercise covers the exploitation of an injection in the kid element of a JWT. This injection can be used to bypass the signature mechanism
  • 3 videos
  • Completed by 2433 students
  • Takes < 1 Hr. on average
  • jwt
  • cwe-310

 

Medium
CBC-MAC II
  • This exercise covers the exploitation of an application using CBC-MAC when an attacker has control over the IV
  • 1 video
  • Completed by 1655 students
  • Takes 1-2 Hrs. on average
  • Crypto

 

Hard
CBC-MAC
  • This exercise covers the exploitation of signature of non-fixed size messages with CBC-MAC
  • 2 videos
  • Completed by 1616 students
  • Takes 1-2 Hrs. on average
  • Crypto

 

Hard
CVE-2018-0114
  • This exercise details the exploitation of a vulnerability in Cisco's node-jose, a JavaScript library created to manage JWT
  • 3 videos
  • Completed by 1770 students
  • Takes 2-4 Hrs. on average
  • jwt
  • CWE-347