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"
}
}
}
Loading...
Loading...
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- 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.