id: CVE-2020-26214
info:

  name: Alerta Authentication Bypass (CVE-2020-26214)
  author: CasperGN
  severity: critical
  description: Alerta prior to version 8.1.0 is prone to Authentication Bypass when using LDAP as authorization provider and the LDAP server accepts Unauthenticated Bind reqests.
  reference:
    - https://github.com/advisories/GHSA-5hmm-x8q8-w5jh
    - https://tools.ietf.org/html/rfc4513#section-5.1.2
    - https://pypi.org/project/alerta-server/8.1.0/
  tags: cve,cve2020,alerta

requests:
  - method: GET
    path:
      - '{{BaseURL}}/api/config'

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: regex
        regex:
          - 'name":"Alerta ([0-7]\.[0-9]\.[0-9]|8\.0.[0-9])"'
          - 'name": "Alerta ([0-7]\.[0-9]\.[0-9]|8\.0.[0-9])"'
        condition: or
      - type: regex
        regex:
          - 'provider":"ldap"'
          - 'provider": "ldap"'
        condition: or
    extractors:
      - type: regex
        part: body
        name: alerta-version
        group: 1
        regex:
          - 'name":"Alerta ([0-7]\.[0-9]\.[0-9]|8\.0.[0-9])"'
          - 'name": "Alerta ([0-7]\.[0-9]\.[0-9]|8\.0.[0-9])"'