ghsa-v436-q368-hvgg
Vulnerability from github
Published
2023-01-12 23:39
Modified
2023-01-23 18:47
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Keycloak has lack of validation of access token on client registrations endpoint
Details

When a service account with the create-client or manage-clients role can use the client-registration endpoints to create/manage clients with an access token.

If the access token is leaked, there is an option to revoke the specific token. However, the check is not performed in client-registration endpoints.

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 20.0.2"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-0091"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284",
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-01-12T23:39:39Z",
    "nvd_published_at": "2023-01-13T06:15:00Z",
    "severity": "MODERATE"
  },
  "details": "When a service account with the create-client or manage-clients role can use the client-registration endpoints to create/manage clients with an access token.\n\nIf the access token is leaked, there is an option to revoke the specific token. However, the check is not performed in client-registration endpoints.",
  "id": "GHSA-v436-q368-hvgg",
  "modified": "2023-01-23T18:47:54Z",
  "published": "2023-01-12T23:39:39Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-v436-q368-hvgg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0091"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-0091"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak has lack of validation of access token on client registrations endpoint"
}


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