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{"acknowledgement": "Red Hat would like to thank Lauritz Holtmann (https://security.lauritz-holtmann.de/) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:7861", "cpe": "cpe:/a:redhat:build_keycloak:22::el9", "package": "rhbk/keycloak-operator-bundle:22.0.7-1", "product_name": "Red Hat build of Keycloak 22", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2023:7861", "cpe": "cpe:/a:redhat:build_keycloak:22::el9", "package": "rhbk/keycloak-rhel9:22-6", "product_name": "Red Hat build of Keycloak 22", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2023:7861", "cpe": "cpe:/a:redhat:build_keycloak:22::el9", "package": "rhbk/keycloak-rhel9-operator:22-9", "product_name": "Red Hat build of Keycloak 22", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2023:7860", "cpe": "cpe:/a:redhat:build_keycloak:22", "package": "keycloak-core", "product_name": "Red Hat build of Keycloak 22.0.7", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2024:0804", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6", "package": "keycloak-core", "product_name": "Red Hat Single Sign-On 7", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2023:7854", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7", "package": "rh-sso7-keycloak-0:18.0.11-2.redhat_00003.1.el7sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 7", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2024:0798", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7", "package": "rh-sso7-keycloak-0:18.0.12-1.redhat_00001.1.el7sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 7", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2023:7856", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8", "package": "rh-sso7-keycloak-0:18.0.11-2.redhat_00003.1.el8sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 8", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2024:0799", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8", "package": "rh-sso7-keycloak-0:18.0.12-1.redhat_00001.1.el8sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 8", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2023:7855", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9", "package": "rh-sso7-keycloak-0:18.0.11-2.redhat_00003.1.el9sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 9", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2024:0800", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9", "package": "rh-sso7-keycloak-0:18.0.12-1.redhat_00001.1.el9sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 9", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2023:7857", "cpe": "cpe:/a:redhat:rhosemc:1.0::el8", "package": "rh-sso-7/sso76-openshift-rhel8:7.6-38", "product_name": "RHEL-8 based Middleware Containers", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2023:7857", "cpe": "cpe:/a:redhat:rhosemc:1.0::el8", "package": "rh-sso-7/sso7-rhel8-operator-bundle:7.6.6-2", "product_name": "RHEL-8 based Middleware Containers", "release_date": "2023-12-14T00:00:00Z"}, {"advisory": "RHSA-2024:0801", "cpe": "cpe:/a:redhat:rhosemc:1.0::el8", "package": "rh-sso-7/sso76-openshift-rhel8:7.6-41", "product_name": "RHEL-8 based Middleware Containers", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2023:7858", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6.6", "package": "keycloak-core", "product_name": "Single Sign-On 7.6.6", "release_date": "2023-12-14T00:00:00Z"}], "bugzilla": {"description": "keycloak: reflected XSS via wildcard in OIDC redirect_uri", "id": "2249673", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2249673"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-74->CWE-79", "details": ["A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748.", "A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748."], "name": "CVE-2023-6134", "public_date": "2023-11-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-6134\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-6134"], "threat_severity": "Moderate"}