cucm-username-enumeration: Cisco Unified Call Manager Username Enumeration

id: cucm-username-enumeration

info:
  name: Cisco Unified Call Manager Username Enumeration
  author: manasmbellani
  severity: medium
  description: Cisco Unified Call Manager is vulnerable to username enumeration.
  remediation: To mitigate this, enable Contact Search Authentication.
  reference:
    - https://www.n00py.io/2022/01/unauthenticated-dumping-of-usernames-via-cisco-unified-call-manager-cucm/
  metadata:
    max-request: 1
  tags: cisco,cucm,unauth,enum,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/cucm-uds/users"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        words:
          - '<userName>'
          - '<lastName>'
          - '<phoneNumber>'
        condition: and

      - type: dsl
        dsl:
          - contains(tolower(content_type), 'application/xml')
          - contains(tolower(content_type), 'text/xml')
        condition: or
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