Description
GUnet OpenEclass 1.7.3 allows authenticated users to bypass file extension restrictions when uploading files. By renaming a PHP file to .php3 or .PhP, an attacker can upload a web shell and execute arbitrary code on the server. This vulnerability enables remote code execution by bypassing the intended file type checks in the exercise submission feature.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Openeclass | GUnet OpenEclass | 1.7.3 (2007) | — |
References
- ExploitDB-48163 exploit
- Official Vendor Homepage product
- Changelog patch
- VulnCheck Advisory: GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass third-party-advisory