{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-6544", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-12-06T05:42:36.249Z", "datePublished": "2024-04-25T15:58:47.204Z", "dateUpdated": "2024-06-04T17:17:10.747Z"}, "containers": {"cna": {"title": "Keycloak: authorization bypass", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-operator-bundle", "defaultStatus": "affected", "versions": [{"version": "22.0.10-1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:build_keycloak:22::el9"]}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-rhel9", "defaultStatus": "affected", "versions": [{"version": "22-13", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:build_keycloak:22::el9"]}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-rhel9-operator", "defaultStatus": "affected", "versions": [{"version": "22-16", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:build_keycloak:22::el9"]}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22.0.10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected", "packageName": "keycloak-core", "cpes": ["cpe:/a:redhat:build_keycloak:22"]}, {"vendor": "Red Hat", "product": "Red Hat Single Sign-On 7.6 for RHEL 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rh-sso7-keycloak", "defaultStatus": "affected", "versions": [{"version": "0:18.0.13-1.redhat_00001.1.el7sso", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:red_hat_single_sign_on:7.6::el7"]}, {"vendor": "Red Hat", "product": "Red 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"versions": [{"version": "7.6-46", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:rhosemc:1.0::el8"]}, {"vendor": "Red Hat", "product": "RHSSO 7.6.8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected", "packageName": "keycloak-core", "cpes": ["cpe:/a:redhat:red_hat_single_sign_on:7.6"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:1860", "name": "RHSA-2024:1860", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1861", "name": "RHSA-2024:1861", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1862", "name": "RHSA-2024:1862", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1864", "name": "RHSA-2024:1864", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1866", "name": "RHSA-2024:1866", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1867", "name": "RHSA-2024:1867", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1868", "name": "RHSA-2024:1868", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-6544", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253116", "name": "RHBZ#2253116", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2024-04-16T00:00:00+00:00", "problemTypes": [{"descriptions": [{"cweId": "CWE-625", "description": "Permissive Regular Expression", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-625: Permissive Regular Expression", "workarounds": [{"lang": "en", "value": "No mitigation is currently available for this flaw."}], "timeline": [{"lang": "en", "time": "2023-12-06T00:00:00+00:00", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-04-16T00:00:00+00:00", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Bastian Kanbach (Secure Systems DE [bastian.kanbach@securesystems.de]) for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2024-05-01T20:21:40.265Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-6544", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-25T19:19:09.097776Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:17:10.747Z"}}]}}

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