CVE-2023-6544

2024-04-2516:15:10

CWE-625

[email protected]

web.nvd.nist.gov

112

cve-2023-6544

keycloak

flaw

dynamic client registration

trusteddomain

unauthorized

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

5.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

12.8%

JSON

A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 22",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-operator-bundle",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "22.0.10-1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:22::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 22",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "22-13",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:22::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 22",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9-operator",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "22-16",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:22::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 22.0.10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "keycloak-core",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:22"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.13-1.redhat_00001.1.el7sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.13-1.redhat_00001.1.el8sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.13-1.redhat_00001.1.el9sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "RHEL-8 based Middleware Containers",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rh-sso-7/sso76-openshift-rhel8",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7.6-46",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhosemc:1.0::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "RHSSO 7.6.8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "keycloak-core",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6"
    ]
  }
]