Exercises

Exercise Avg. Time Difficulty Solved by Tier
OAuth2: Predictable State II
This exercise covers the exploitation of a predictable state in an OAuth2 Client
1-2 Hr. hard 278 PRO
Code Review 11
This exercise is one of our challenges to help you learn how to review real source code
2-4 Hr. hard 366 PRO
OAuth2: Predictable State
This exercise covers the exploitation of a predictable state in an OAuth2 Client
2-4 Hr. hard 300 PRO
CVE-2020-8163: Rails local name RCE
This exercise details the exploitation of CVE-2020-8163 to gain code execution
1-2 Hr. hard 228 PRO
Code Review 09
This exercise is one of our challenges to help you learn how to review real source code
1-2 Hr. hard 406 PRO
OAuth2: Client Server XSS
This exercise covers the exploitation of a Cross-Site Scripting in an OAuth2 Client and Server
1-2 Hr. hard 379 PRO
Code Review 07
This exercise is one of our challenges to help you learn how to review real source code
1-2 Hr. hard 435 PRO
Cross-Site Leak
This exercise covers how to use Cross-Site Leak to recover sensitive information
2-4 Hr. hard 589 PRO
Code Review 05
This exercise is one of our challenges to help you learn how to review real source code
2-4 Hr. hard 425 PRO
Code Review 04
This exercise is one of our challenges to help you learn how to review real source code
1-2 Hr. hard 542 PRO
Code Review 03
This exercise is one of our challenges to help you learn how to review real source code
2-4 Hr. hard 466 PRO
OAuth2: Github HTTP HEAD
This exercise covers the exploitation of the HTTP HEAD issue impacting Github in 2019
< 1 Hr. hard 463 PRO
Length Extension Attack
This exercise covers how to use a length extension attack to exploit a directory traversal vulnerability
1-2 Hr. hard 774 PRO
CVE-2019-5418
This exercise details the exploitation of CVE-2019-5418 to get code execution
1-2 Hr. hard 515 PRO
JWT XII JWT
This exercise covers how to use the x5u header to bypass an authentication based on JWT.
1-2 Hr. hard 697 PRO
JWT XI JWT
This exercise covers how to use the jku header to bypass an authentication based on JWT.
1-2 Hr. hard 690 PRO
cve-2019-5420 II
This exercise details the exploitation of CVE-2019-5420 to gain code execution
1-2 Hr. hard 575 PRO
JWT X JWT
This exercise covers how to use the jku header to bypass an authentication based on JWT.
< 1 Hr. hard 785 PRO
JWT IX JWT
This exercise covers how to use the jku header to bypass an authentication based on JWT.
< 1 Hr. hard 911 PRO
Gogs RCE II
This exercise covers how to get code execution against the Git self hosted tool: Gogs.
< 1 Hr. hard 611 PRO
JWT VIII JWT
This exercise covers how to use the jku header to bypass an authentication based on JWT.
1-2 Hr. hard 989 PRO
Gogs RCE
This exercise covers how to get code execution against the Git self hosted tool: Gogs.
1-2 Hr. hard 683 PRO
Android 07
This exercise will guide you through the process of reversing a simple obfuscated Android code to recover the encrypted data
1-2 Hr. hard 1473 PRO
Android 08
This exercise will guide you through the process of reversing a simple obfuscated Android code to recover the encrypted data
1-2 Hr. hard 1396 PRO
Android 06
This exercise will guide you through the process of reversing a simple obfuscated Android code to recover the encrypted data
< 1 Hr. hard 1718 PRO
From SQL injection to Shell III SQL Injection
This exercise covers how to gain access to an administration interface using SQL injection followed by how to get command execution using ImageTragick
1-2 Hr. hard 1140 PRO
IDOR to Shell
This exercise covers how to get code execution by chaining vulnerabilities in a Ruby-on-Rails application
1-2 Hr. hard 1076 PRO
CVE-2018-11235: Git Submodule RCE
This exercise details the exploitation of a vulnerability in Git Sub module that can be used to get command execution
2-4 Hr. hard 529 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 1908 PRO
CBC-MAC Crypto
This exercise covers the exploitation of signature of non-fixed size messages with CBC-MAC
1-2 Hr. hard 1735 PRO
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Showing 31–60 of 71 exercises