Saturday, December 18, 2021

CVE-2021-23814

Description

This affects the package unisharp/laravel-filemanager from 0.0.0. 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).

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Resourcehttps://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199
 

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore