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CVE-2021-23814

Quick assessment

Affected
n/a unisharp/laravel-filemanager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

laravel-filemanager是用于 Laravel 5 到 6 和 CKEditor / TinyMCE 的文件上传/编辑器。 laravel-filemanager 存在代码问题漏洞，该漏洞源于upload()函数在上传时没有充分验证文件类型。攻击者可以复制以下步骤进行漏洞利用:安装一个带有web Laravel应用程序的包。导航到上传窗口,上传一个图像文件,然后捕捉请求——编辑请求与一个恶意文件内容(网站管理权限)——输入文件上传URL的路径——远程代码执行。

CVSS 6.7 · Medium EPSS 1.77% · P77
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I. Basic Information for CVE-2021-23814

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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: 1. Install a package with a web Laravel application. 2. Navigate to the Upload window 3. Upload an image file, then capture the request 4. Edit the request contents with a malicious file (webshell) 5. 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](https://unisharp.github.io/laravel-filemanager/configfolder-categories).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
laravel-filemanager代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
laravel-filemanager是用于 Laravel 5 到 6 和 CKEditor / TinyMCE 的文件上传/编辑器。 laravel-filemanager 存在代码问题漏洞，该漏洞源于upload()函数在上传时没有充分验证文件类型。攻击者可以复制以下步骤进行漏洞利用:安装一个带有web Laravel应用程序的包。导航到上传窗口,上传一个图像文件,然后捕捉请求——编辑请求与一个恶意文件内容(网站管理权限)——输入文件上传URL的路径——远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- unisharp/laravel-filemanager 0 ~ 2.6.2 -

II. Public POCs for CVE-2021-23814

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III. Intelligence Information for CVE-2021-23814

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Vendor Advisories for CVE-2021-23814 (2)

Other References for CVE-2021-23814 (2)

Same Patch Batch · n/a · 2021-12-17 · 51 CVEs total

CVE-2021-23803 9.8 CRITICAL Access Control Bypass
CVE-2021-23450 7.5 HIGH Prototype Pollution
CVE-2021-23797 7.5 HIGH Directory Traversal
CVE-2021-44035 4.4 MEDIUM Wolters Kluwer TeamMate AM 安全漏洞
CVE-2021-0676 MediaTek 芯片 缓冲区错误漏洞
CVE-2021-4008 xorg-x11-server 缓冲区错误漏洞
CVE-2021-4010 xorg-x11-server 缓冲区错误漏洞
CVE-2021-4009 xorg-x11-server 缓冲区错误漏洞
CVE-2021-4011 xorg-x11-server 缓冲区错误漏洞
CVE-2021-32497 SICK SOPAS ET安全漏洞
CVE-2021-32498 SICK SOPAS ET 4.8.0 路径遍历漏洞
CVE-2021-32499 SICK SOPAS ET 注入漏洞
CVE-2021-0677 MediaTek Ccu 输入验证错误漏洞
CVE-2021-45042 Hashicorp HashiCorp Vault 安全漏洞
CVE-2021-0678 MediaTek Apusys缓冲区错误漏洞
CVE-2021-0893 MediaTek Apusys 资源管理错误漏洞
CVE-2021-0679 MediaTek Apusys缓冲区错误漏洞
CVE-2021-0894 MediaTek Apusys缓冲区错误漏洞
CVE-2021-0895 MediaTek Apusys缓冲区错误漏洞
CVE-2021-0897 MediaTek Apusys缓冲区错误漏洞

Showing top 20 of 51 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: unisharp/laravel-filemanager
Same vendor: n/a
Same weakness: CWE-94

V. Comments for CVE-2021-23814

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