{
  "threat_severity" : "Low",
  "public_date" : "2021-03-08T00:00:00Z",
  "bugzilla" : {
    "description" : "keycloak: Internationalized domain name (IDN) homograph attack to impersonate users",
    "id" : "1933320",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1933320"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.3",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-287",
  "details" : [ "A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.", "A flaw was found in keycloak, where IDN homograph attacks are possible. This flaw allows a malicious user to register a name that already exists and then tricking an admin to grant extra privileges. The highest threat from this vulnerability is to integrity." ],
  "acknowledgement" : "Red Hat would like to thank Kristian Klausen for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Single Sign-On 7.4.7",
    "release_date" : "2021-05-20T00:00:00Z",
    "advisory" : "RHSA-2021:2070",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.4 for RHEL 6",
    "release_date" : "2021-05-20T00:00:00Z",
    "advisory" : "RHSA-2021:2063",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7::el6",
    "package" : "rh-sso7-keycloak-0:9.0.13-1.redhat_00006.1.el6sso"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.4 for RHEL 7",
    "release_date" : "2021-05-20T00:00:00Z",
    "advisory" : "RHSA-2021:2064",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7::el7",
    "package" : "rh-sso7-keycloak-0:9.0.13-1.redhat_00006.1.el7sso"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.4 for RHEL 8",
    "release_date" : "2021-05-20T00:00:00Z",
    "advisory" : "RHSA-2021:2065",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7::el8",
    "package" : "rh-sso7-keycloak-0:9.0.13-1.redhat_00006.1.el8sso"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Decision Manager 7",
    "fix_state" : "Not affected",
    "package_name" : "keycloak",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_brms_platform:7"
  }, {
    "product_name" : "Red Hat Fuse 7",
    "fix_state" : "Not affected",
    "package_name" : "keycloak",
    "cpe" : "cpe:/a:redhat:jboss_fuse:7"
  }, {
    "product_name" : "Red Hat Integration Camel K 1",
    "fix_state" : "Not affected",
    "package_name" : "keycloak",
    "cpe" : "cpe:/a:redhat:integration:1"
  }, {
    "product_name" : "Red Hat OpenShift Application Runtimes",
    "fix_state" : "Not affected",
    "package_name" : "keycloak",
    "cpe" : "cpe:/a:redhat:openshift_application_runtimes:1.0"
  }, {
    "product_name" : "Red Hat Process Automation 7",
    "fix_state" : "Not affected",
    "package_name" : "keycloak",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_bpms_platform:7"
  }, {
    "product_name" : "Red Hat support for Spring Boot",
    "fix_state" : "Not affected",
    "package_name" : "keycloak",
    "cpe" : "cpe:/a:redhat:openshift_application_runtimes:1.0"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-3424\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3424\nhttps://github.com/keycloak/keycloak/security/advisories/GHSA-mwm4-5qwr-g9pf" ],
  "name" : "CVE-2021-3424",
  "csaw" : false
}