gsd-2023-2422
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2023-2422", "id": "GSD-2023-2422" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-2422" ], "details": "A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.", "id": "GSD-2023-2422", "modified": "2023-12-13T01:20:31.698855Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2023-2422", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "keycloak", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "18.0" } ] } } ] } } ] }, "vendor_name": "n/a" }, { "product": { "product_data": [ { "product_name": "Red Hat Single Sign-On 7", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } }, { "product_name": "Red Hat Single Sign-On 7.6 for RHEL 7", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:18.0.8-1.redhat_00001.1.el7sso", "versionType": "rpm" } ] } } ] } }, { "product_name": "Red Hat Single Sign-On 7.6 for RHEL 8", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:18.0.8-1.redhat_00001.1.el8sso", "versionType": "rpm" } ] } } ] } }, { "product_name": "Red Hat Single Sign-On 7.6 for RHEL 9", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "0:18.0.8-1.redhat_00001.1.el9sso", "versionType": "rpm" } ] } } ] } }, { "product_name": "RHEL-8 based Middleware Containers", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "affected", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "7.6-24", "versionType": "rpm" } ] } } ] } } ] }, "vendor_name": "Red Hat" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients." } ] }, "impact": { "cvss": [ { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N", "version": "3.1" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "cweId": "CWE-295", "lang": "eng", "value": "Improper Certificate Validation" } ] } ] }, "references": { "reference_data": [ { "name": "https://access.redhat.com/errata/RHSA-2023:3883", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2023:3883" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3884", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2023:3884" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3885", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2023:3885" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3888", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2023:3888" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3892", "refsource": "MISC", "url": "https://access.redhat.com/errata/RHSA-2023:3892" }, { "name": "https://access.redhat.com/security/cve/CVE-2023-2422", "refsource": "MISC", "url": "https://access.redhat.com/security/cve/CVE-2023-2422" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2191668", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2191668" } ] } }, "gitlab.com": { "advisories": [ { "affected_range": "(,21.1.2)", "affected_versions": "All versions before 21.1.2", "cwe_ids": [ "CWE-1035", "CWE-937" ], "date": "2023-07-07", "description": "When a Keycloak server is configured to support mTLS authentication for OAuth/OpenID clients, it does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client and therefore access data that belongs to other clients.", "fixed_versions": [ "21.1.2" ], "identifier": "CVE-2023-2422", "identifiers": [ "GHSA-3qh5-qqj2-c78f", "CVE-2023-2422" ], "not_impacted": "All versions starting from 21.1.2", "package_slug": "maven/org.keycloak/keycloak-services", "pubdate": "2023-06-30", "solution": "Upgrade to version 21.1.2 or above.", "title": "Keycloak vulnerable to Improper Client Certificate Validation for OAuth/OpenID clients", "urls": [ "https://github.com/keycloak/keycloak/security/advisories/GHSA-3qh5-qqj2-c78f", "https://github.com/keycloak/keycloak/commit/5c6c55945a384bfd82e51283096204dcb6f63d91", "https://github.com/advisories/GHSA-3qh5-qqj2-c78f" ], "uuid": "58f6b791-8008-4f18-9c95-00b588aa5997" } ] }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false }, { "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2023-2422" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-295" } ] } ] }, "references": { "reference_data": [ { "name": "https://access.redhat.com/security/cve/CVE-2023-2422", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://access.redhat.com/security/cve/CVE-2023-2422" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3892", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2023:3892" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2191668", "refsource": "MISC", "tags": [ "Issue Tracking", "Vendor Advisory" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2191668" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3885", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2023:3885" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3884", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2023:3884" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3883", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2023:3883" }, { "name": "https://access.redhat.com/errata/RHSA-2023:3888", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://access.redhat.com/errata/RHSA-2023:3888" } ] } }, "impact": { "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 4.2 } }, "lastModifiedDate": "2023-10-10T13:30Z", "publishedDate": "2023-10-04T11:15Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.