CVE-2024-0986 PoC — Issabel PBX Asterisk-Cli os command injection

Source

https://github.com/gunzf0x/Issabel-PBX-4.0.0-RCE-Authenticated

Associated Vulnerability

Title: Issabel PBX Asterisk-Cli os command injection (CVE-2024-0986)
Description:A vulnerability was found in Issabel PBX 4.0.0. It has been rated as critical. This issue affects some unknown processing of the file /index.php?menu=asterisk_cli of the component Asterisk-Cli. The manipulation of the argument Command leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-252251. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Description

Issabel PBX 4.0.0 Remote Code Execution (Authenticated) - CVE-2024-0986

Readme

# Issabel PBX 4.0.0 Remote Code Execution (Authenticated) - CVE-2024-0986

## Description/Summary

Issabel PBX 4.0.0 allows a logged in user to use `asterisk_cli` console to create files with `xmldoc` and `dump` commands. 
This allows to execute remote commands based on the name of the uploaded files abusing `restore.php` file.


This PoC script is based on [this PoC Video](https://drive.google.com/file/d/10BYLQ7Rk4oag96afLZouSvDDPvsO7SoJ/view?usp=drive_link).


## Usage

```shell-session
$ python3 Issabel_PBX_Authenticated_RCE.py -u <user> -p <password> -t <ip-address> -c <UNIX command>
```

For example:
```shell-session
$ python3 Issabel_PBX_Authenticated_RCE.py -u 'johncena' -p 'ucantseem3' -t 'https://10.10.10.10' -c 'id'
```

![PoC image](images/PoC.png)

## Notes

- This will create a file located at `/var/www/backup` called `x|<command>`. It is suggested to remove all those files after testing.
- Commands that are too long might not be executed.

## More info
This script was tested on `Issabel PBX 4.0.0`.

More CVE-2024-0986 info:
- [https://nvd.nist.gov/vuln/detail/CVE-2024-0986](https://nvd.nist.gov/vuln/detail/CVE-2024-0986)
- [https://github.com/advisories/GHSA-v9pc-9fc9-4ff8](https://github.com/advisories/GHSA-v9pc-9fc9-4ff8)
- [https://www.opencve.io/cve/CVE-2024-0986](https://www.opencve.io/cve/CVE-2024-0986)


## Disclaimer
The owner of this repository is not responsible for the usage of this software. It was made for educational purposes only.

## Licence
- MIT

File Snapshot

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