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CVE-2021-23814
No affected components available
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:
- 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 here.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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