{
  "threat_severity" : "Moderate",
  "public_date" : "2023-06-26T00:00:00Z",
  "bugzilla" : {
    "description" : "keycloak: oauth client impersonation",
    "id" : "2191668",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2191668"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-295",
  "details" : [ "A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.", "A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Single Sign-On 7",
    "release_date" : "2023-06-27T00:00:00Z",
    "advisory" : "RHSA-2023:3892",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7.6.4"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.6 for RHEL 7",
    "release_date" : "2023-06-27T00:00:00Z",
    "advisory" : "RHSA-2023:3883",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7",
    "package" : "rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el7sso"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.6 for RHEL 8",
    "release_date" : "2023-06-27T00:00:00Z",
    "advisory" : "RHSA-2023:3884",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8",
    "package" : "rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el8sso"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.6 for RHEL 9",
    "release_date" : "2023-06-27T00:00:00Z",
    "advisory" : "RHSA-2023:3885",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9",
    "package" : "rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el9sso"
  }, {
    "product_name" : "RHEL-8 based Middleware Containers",
    "release_date" : "2023-06-27T00:00:00Z",
    "advisory" : "RHSA-2023:3888",
    "cpe" : "cpe:/a:redhat:rhosemc:1.0::el8",
    "package" : "rh-sso-7/sso76-openshift-rhel8:7.6-24"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-2422\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-2422" ],
  "name" : "CVE-2023-2422",
  "csaw" : false
}