CVE-2023-4220 PoC — Chamilo LMS Unauthenticated Big Upload File Remote Code Execution

Source

https://github.com/B1TC0R3/CVE-2023-4220-PoC

Associated Vulnerability

Title:Chamilo LMS Unauthenticated Big Upload File Remote Code Execution (CVE-2023-4220)
Description:Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

Description

Proof of concept exploit for CVE-2023-4220

Readme

# Proof of concept exploit for CVE-2023-4220

- *Affected product*: Chamilo <= 1.11.24

This CVE abuses an unathenticated file upload vulnerability in Chamilo 1.11.24 and lower.
An attacker has the ability to upload PHP files with no restrictions, leading to RCE.

## How to use

```bash
python3 exploit.py -u URL -c COMMAND
```

## Showcase

<img style="align: center" src="cve-2023-4220.gif"/>

File Snapshot


 [4.0K]  /data/pocs/6f46c44c1eee3dc29c73129129077ca945f1c6d6
├── [243K]  cve-2023-4220.gif
├── [1.6K]  exploit.py
├── [ 34K]  LICENSE
└── [ 396]  README.md

0 directories, 4 files

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