Exercises

Exercise Avg. Time Difficulty Solved by Tier
Unix 19
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 16247 PRO
Unix 20
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. medium 15241 PRO
Unix 21
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 15455 PRO
Unix 22
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 15310 PRO
Unix 23
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 15069 PRO
Unix 24
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14983 PRO
JWT V JWT
This exercise covers the exploitation of a trivial secret used to sign JWT tokens.
< 1 Hr. medium 3169 PRO
Unix 01
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 25742 PRO
Unix 02
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 25420 PRO
Unix 03
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 25071 PRO
Unix 04
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 24717 PRO
Unix 05
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 23500 PRO
Unix 06
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 22507 PRO
Unix 07
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 22088 PRO
Unix 08
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 21714 PRO
Unix 09
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 21025 PRO
Unix 10
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 20467 PRO
Unix 00
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 26419 PRO
CVE-2018-0114 JWT
This exercise details the exploitation of a vulnerability in Cisco's node-jose, a JavaScript library created to manage JWT
2-4 Hr. hard 1918 PRO
JWT IV JWT
This exercise covers the exploitation of a vulnerability similar to the recent CVE-2017-17405 impacting Ruby Net::FTP
< 1 Hr. medium 2757 PRO
CBC-MAC Crypto
This exercise covers the exploitation of signature of non-fixed size messages with CBC-MAC
1-2 Hr. hard 1744 PRO
JWT kid Injection JWT
This exercise covers the exploitation of an issue in the usage of JWT token
1-2 Hr. medium 2983 PRO
Code Execution 09
This exercise is one of our challenges on Code Execution
< 1 Hr. medium 11044 PRO
Server Side Template Injection 02
This exercise is one of our challenges on Server-Side Template Injection
< 1 Hr. medium 8730 PRO
MongoDB Injection 02
This exercise is one of our challenges on vulnerabilities related to MongoDB
1-2 Hr. hard 8707 PRO
Authorization 06
This exercise is one of our challenges on Authorisation issues
< 1 Hr. medium 15167 PRO
Code Execution 08
This exercise is one of our challenges on Code Execution
< 1 Hr. medium 11139 PRO
Authorization 04
This exercise is one of our challenges on Authorisation issues
< 1 Hr. medium 16497 PRO
Authorization 05
This exercise is one of our challenges on Authorisation issues
< 1 Hr. medium 15792 PRO
Command Execution 03
This exercise is one of our challenges on Command Execution
< 1 Hr. easy 11571 PRO
1 18 19 20 21 22 23 24 25
Showing 601–630 of 734 exercises