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{"acknowledgement": "Red Hat would like to thank Peter Flintholm (Trifork) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:1049", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6", "package": "keycloak", "product_name": "Red Hat Single Sign-On 7", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2022:8965", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6.1", "package": "keycloak", "product_name": "Red Hat Single Sign-On 7.6.1", "release_date": "2022-12-13T00:00:00Z"}, {"advisory": "RHSA-2022:8961", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7", "package": "rh-sso7-keycloak-0:18.0.3-1.redhat_00002.1.el7sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 7", "release_date": "2022-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:1043", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7", "package": "rh-sso7-keycloak-0:18.0.6-1.redhat_00001.1.el7sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 7", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2022:8962", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8", "package": "rh-sso7-keycloak-0:18.0.3-1.redhat_00002.1.el8sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 8", "release_date": "2022-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:1044", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8", "package": "rh-sso7-keycloak-0:18.0.6-1.redhat_00001.1.el8sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 8", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2022:8963", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9", "package": "rh-sso7-keycloak-0:18.0.3-1.redhat_00002.1.el9sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 9", "release_date": "2022-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:1045", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9", "package": "rh-sso7-keycloak-0:18.0.6-1.redhat_00001.1.el9sso", "product_name": "Red Hat Single Sign-On 7.6 for RHEL 9", "release_date": "2023-03-01T00:00:00Z"}, {"advisory": "RHSA-2022:8964", "cpe": "cpe:/a:redhat:rhosemc:1.0::el8", "package": "rh-sso-7/sso76-openshift-rhel8:7.6-15", "product_name": "RHEL-8 based Middleware Containers", "release_date": "2022-12-13T00:00:00Z"}, {"advisory": "RHSA-2023:1047", "cpe": "cpe:/a:redhat:rhosemc:1.0::el8", "package": "rh-sso-7/sso76-openshift-rhel8:7.6-20", "product_name": "RHEL-8 based Middleware Containers", "release_date": "2023-03-01T00:00:00Z"}], "bugzilla": {"description": "keycloak: Session takeover with OIDC offline refreshtokens", "id": "2141404", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2141404"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-384", "details": ["A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user.", "A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user."], "name": "CVE-2022-3916", "public_date": "2022-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-3916\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-3916"], "threat_severity": "Moderate", "upstream_fix": "keycloak 20.0.2"}