CVE-2017-12160

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{"affected": [{"affectedData": [{"product": "keycloak", "vendor": "Red Hat, Inc.", "versions": [{"status": "affected", "version": "3.4.0"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*", "matchCriteriaId": "6E0DE4E1-5D8D-40F3-8AC8-C7F736966158", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks."}, {"lang": "es", "value": "Se ha descubierto que el protocolo oauth en Keycloak permitir\u00eda que un recurso autenticado obtenga un par de tokens de acceso/actualizaci\u00f3n del servidor de autenticaci\u00f3n, permitiendo su uso indefinido en caso de anulaci\u00f3n de permisos. Un atacante en un recurso ya comprometido podr\u00eda utilizar este fallo para concederse permisos continuados y, posiblemente, llevar a cabo m\u00e1s ataques."}], "id": "CVE-2017-12160", "lastModified": "2026-06-17T01:02:47.873", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-10-26T17:29:00.297", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2904"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2905"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2906"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1484154"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2904"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2905"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2906"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1484154"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Bart Toersche (Simacan) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2017:2906", "cpe": "cpe:/a:redhat:jboss_single_sign_on:7.1", "product_name": "Red Hat Single Sign-On 7.1", "release_date": "2017-10-17T00:00:00Z"}, {"advisory": "RHSA-2017:2904", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7::el6", "package": "rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6", "product_name": "Red Hat Single Sign-On 7.1 for RHEL 6", "release_date": "2017-10-17T00:00:00Z"}, {"advisory": "RHSA-2017:2905", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7::el7", "package": "rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el7", "product_name": "Red Hat Single Sign-On 7.1 for RHEL 7", "release_date": "2017-10-17T00:00:00Z"}], "bugzilla": {"description": "keycloak: resource privilege extension via access token in oauth", "id": "1484154", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1484154"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-285", "details": ["It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks.", "It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks."], "name": "CVE-2017-12160", "package_state": [{"cpe": "cpe:/a:redhat:mobile_application_platform:4", "fix_state": "Will not fix", "package_name": "keycloak", "product_name": "Red Hat Mobile Application Platform 4"}], "public_date": "2017-10-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-12160\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-12160"], "threat_severity": "Low"}

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