CVE-2022-40734 UniSharp Laravel Filemanager directory traversal vulnerability
Attackers can read arbitrary files via directory traversal in Laravel Filemanager, exposing sensitive data to unauthorized users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-40734?
CVE-2022-40734 is a medium-severity path traversal vulnerability in n/a, published on 14 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
UniSharp laravel-filemanager (aka Laravel Filemanager) before 2.6.4 allows download?working_dir=%2F.. directory traversal to read arbitrary files, as exploited in the wild in June 2022. This is related to league/flysystem before 2.0.0.
Weakness: CWE-22
Which versions are affected by CVE-2022-40734?
2 open source packages ship an affected version, including unisharp/laravel-filemanager. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
unisharp/laravel-filemanager Packagist | All versions | 2.6.4 |
unisharp/laravel-filemanager Packagist | All versions | 2.6.4 |
Products include Unisharp Laravel Filemanager.
How do I fix CVE-2022-40734?
Upgrade unisharp/laravel-filemanager to 2.6.4 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-40734 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40734 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-5m2h-7rf2-rpx6.