CVE-2021-23814
MEDIUM6.7EPSS 2.1%Unrestricted Upload of File with Dangerous Type in unisharp/laravel-filemanager
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](https://unisharp.github.io/laravel-filemanager/configfolder-categories).
Affected packages (1)
- Packagist/unisharp/laravel-filemanagerfrom 0, < 2.6.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.7 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-23814
- PATCHhttps://github.com/UniSharp/laravel-filemanager
- WEBhttps://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26
- WEBhttps://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php#L26
- WEBhttps://github.com/UniSharp/laravel-filemanager/commit/bd84899ce65a7f193e676dd8444e424fa50f64fa
- WEBhttps://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975
- WEBhttps://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199