Kurz gesagt
- CVE-2021-23814 ist eine Schwachstelle (HOCH (CVSS 8.8)) in unisharp/laravel-filemanager, laravel-filemanager (unisharp).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 1.8%, höher als bei 79.0% aller Schwachstellen.
- Abhilfe: auf 2.6.2 oder neuer aktualisieren.
Description
This affects the package unisharp/laravel-filemanager prior to version 2.6.2. The upload() function does not sufficiently validate the file type when uploading.
An attacker may be able to reproduce the following steps:
- Install a package with a web Laravel application.
- Navigate to the Upload window
- Upload an image file, then capture the request
- Edit the request contents with a malicious file (webshell)
- Enter the path of file uploaded on URL
- Remote Code Execution
**Note: Prevention for bad extensions can be done by using a whitelist in the config file(lfm.php). Corresponding document can be found in the here.
NVD description
This affects versions of the package unisharp/laravel-filemanager before 2.6.2. The upload() function does not sufficiently validate the file type when uploading.
An attacker may be able to reproduce the following steps:
1. Install a package with a web Laravel application.
2. Navigate to the Upload window
3. Upload an image file, then capture the request
4. Edit the request contents with a malicious file (webshell)
5. Enter the path of file uploaded on URL - Remote Code Execution
**Note:** Prevention for bad extensions can be done by using a whitelist in the config file(lfm.php). Corresponding document can be found in [here](https://unisharp.github.io/laravel-filemanager/configfolder-categories).
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