{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ASSIGNER": "report@snyk.io", "DATE_PUBLIC": "2021-12-17T20:00:01.811275Z", "ID": "CVE-2021-23814", "STATE": "PUBLIC", "TITLE": "Arbitrary File Upload" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "unisharp/laravel-filemanager", "version": { "version_data": [ { "version_affected": ">=", "version_value": "0.0.0" } ] } } ] }, "vendor_name": "n/a" } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Arbitrary File Upload" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199", "name": "https://snyk.io/vuln/SNYK-PHP-UNISHARPLARAVELFILEMANAGER-1567199" }, { "refsource": "MISC", "url": "https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26", "name": "https://github.com/UniSharp/laravel-filemanager/blob/master/src/Controllers/UploadController.php%23L26" }, { "refsource": "CONFIRM", "name": "https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975", "url": "https://github.com/UniSharp/laravel-filemanager/issues/1113#issuecomment-1812092975" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "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)." } ] }, "impact": { "cvss": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW" } }, "credit": [ { "lang": "eng", "value": "Huy Nguyen" } ] }