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https://github.com/Aif4thah/VulnerableLightApp

Vulnerable API for educational purposes
https://github.com/Aif4thah/VulnerableLightApp

api cybersecurity-education dotnet educational-project hacking hacking-challenge hacking-competitions owasp-top-10 pentest vulnerabilities vulnerability vulnerability-research vulnerable vulnerable-api vulnerable-application vulnerable-applications vulnerable-server vulnerable-web-app vulnerable-web-application web-api

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Vulnerable API for educational purposes

Lists

README 

        


    Dojo-101




[![License: GNU GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)

![GitHub last commit](https://img.shields.io/github/last-commit/Aif4thah/VulnerableLightApp)

[![.NET](https://github.com/Aif4thah/VulnerableLightApp/actions/workflows/dotnet.yml/badge.svg)](https://github.com/Aif4thah/VulnerableLightApp/actions/workflows/dotnet.yml)



## ⚠️ Disclaimer



This repository, together with its tools, is provided by Taisen-Solutions on an “as is” basis. Be aware that this application is highly vulnerable, including remote command and code execution. Use it at your own risk.

Taisen-Solutions makes no representations or warranties of any kind, express or implied, as to the operation of the information, content, materials, tools, services and/or products included on the repository. Taisen-Solution disclaims, to the full extent permissible by applicable law, all warranties, express or implied, including but not limited to, implied warranties of merchantability and fitness for a particular purpose.



## 🎱 Use Case



![UseCase](./VLAusecase.drawio.png)



## 🐞 Vulnerabilities



| CWE | Description | Difficulty | Hint | Estimated Reward in Bug Bounty |

|----|---|----|---|----|

| CWE-22 | Path Traversal | Medium | filter bypass | 500-5.000$ |

| CWE-78 | OS Command Injection | Easy | Get username | 1.000-10.000$|

| CWE-79 | Cross-site Scripting | Easy | Pop the logs readers | 500-5.000$ |

| CWE-89 | SQL Injection | Easy | Login without creds | 1.000-10.000$ |

| CWE-94 | Code Injection| Hard | Write in server console | 5.000-50.000$ |

| CWE-91 | XML Injection | Hard | Use Transform | 0-500$ |

| CWE-98 | Remote File Inclusion | Hard | Find the good protocol | 1.000-10.000$ |

| CWE-184 | Incomplete List of Disallowed Inputs | Hard | Not so NoSQL | 1.000-10.000$|

| CWE-213 | Exposure of Sensitive Information Due to Incompatible Policies | Easy | RTFM | 500-2.000$ |

| CWE-284 | Improper Access Control | Medium | Bring your own token | 1.000-5.000$ |

| CWE-287 | Improper Authentication | Medium | Go ahead | 500-5.000$ |

| CWE-319 | Cleartext Transmission of Sensitive Information | Very Easy | Sniff | 500-2.000$ |

| CWE-326 | Inadequate Encryption Strength | Easy | Code review | 1.000-5.000$ |

| CWE-434 | Unrestricted Upload of File with Dangerous Type | Medium | What can go wrong ? | 500-10.000$ |

| CWE-502 | Deserialization of Untrusted Data | Hard | Change the readOnly permission | 5.000-50.000$ |

| CWE-521 | Weak Password Requirements | Very Easy | Null | 500-2.000$ |

| CWE-532 | Insertion of Sensitive Information into Log File | Very Easy | Nothing to hide |100-2.000$ |

| CWE 639 | Insecure Direct Object Reference | Medium | Enumeration is key |500-5.000$ |

| CWE-611 | Improper Restriction of XML External Entity Reference | Hard | Read the Windows.ini | 1.000-10.000$ |

| CWE-787 | Out-of-bounds Write | Easy | Read Memory | 500-5000$ |

| CWE-798 | Use of Hard-coded Credentials | Very Easy | Code review | 1.000-10.000$ |

| CWE-829 | Local File Inclusion | Easy | Insert content | 500-2.000$|

| CWE-918 | Server-Side Request Forgery (SSRF) | Medium | choose your domain | 1.000$-10.000$|

| CWE-1270 | Generation of Incorrect Security Tokens | Medium | Code review | 1.000-20.000$ |

| CWE-1395 | Dependency on Vulnerable Third-Party Component | Easy | Old stuff discovery | 0-500$ |



## 🔑 Write Up



* Become a project sponsor and gain access to all the solutions.

* Or just buy me a coffee and get an unique Nuclei template (not for my students)



## 🏭 Context



VLA is designed as a vulnerable backend application, running in the following environment : 



![Context](./Context.png)



Be aware that VLA is works on Linux and MacOS But is only tested and supported on Windows.



## ✅ Prerequisites



Check `.csproj` file to get the current dotnet version and install [.NET SDK](https://dotnet.microsoft.com/en-us/download)



## ⬇️ Download



```PowerShell

git clone https://github.com/Aif4thah/VulnerableLightApp.git

cd .\VulnerableLightApp\

```



## 🔧 Build



```PowerShell

dotnet build

```



## 🎮 Usage



```PowerShell

.\bin\Debug\net8.0\VulnerableWebApplication.exe [--url=]

```



Alternatively, you can run directly with



```PowerShell

dotnet run

```



## 🛠️ Debug 



### Dotnet Framework



Verify you use the intended .NET Framework



```cmd

where dotnet

dotnet --version

dotnet --list-sdks

```



### Certificates



To trust the certificate



```PowerShell

dotnet dev-certs https --trust

```



### Dependancies



dependancies have to be dowloaded from [standard sources](https://go.microsoft.com/fwlink/?linkid=848054)



```sh

dotnet nuget add source "https://api.nuget.org/v3/index.json" --name "Microsoft"

```



## 💜 Crédits



* **Special thanks to all the hackers and students who pushed me to improve this work**

* Project maintened by [Michael Vacarella](https://github.com/Aif4thah)