gsd-2020-35509
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-35509",
"description": "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
"id": "GSD-2020-35509",
"references": [
"https://access.redhat.com/errata/RHSA-2021:3534",
"https://access.redhat.com/errata/RHSA-2021:3529",
"https://access.redhat.com/errata/RHSA-2021:3528",
"https://access.redhat.com/errata/RHSA-2021:3527",
"https://security.archlinux.org/CVE-2020-35509"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-35509"
],
"details": "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
"id": "GSD-2020-35509",
"modified": "2023-12-13T01:22:01.062709Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2020-35509",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "keycloak",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "11.0.3, 12.0.0"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-20",
"lang": "eng",
"value": "CWE-20"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://access.redhat.com/security/cve/cve-2020-35509",
"refsource": "MISC",
"url": "https://access.redhat.com/security/cve/cve-2020-35509"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "(,14.0.0)",
"affected_versions": "All versions before 14.0.0",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-295",
"CWE-937"
],
"date": "2022-12-05",
"description": "keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
"fixed_versions": [
"14.0.0"
],
"identifier": "CVE-2020-35509",
"identifiers": [
"GHSA-rpj2-w6fr-79hc",
"CVE-2020-35509"
],
"not_impacted": "All versions starting from 14.0.0",
"package_slug": "maven/org.keycloak/keycloak-core",
"pubdate": "2022-08-24",
"solution": "Upgrade to version 14.0.0 or above.",
"title": "Improper Certificate Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-35509",
"https://access.redhat.com/security/cve/cve-2020-35509",
"https://github.com/keycloak/keycloak/pull/6330",
"https://github.com/keycloak/keycloak/pull/8067",
"https://github.com/keycloak/keycloak/commit/478319348bdfdb9b6d39122f41edf2af79f679bb",
"https://bugzilla.redhat.com/show_bug.cgi?id=1912427",
"https://github.com/keycloak/keycloak/blob/4f330f4a57cbfcf6202b60546518261c66e59a35/services/src/main/java/org/keycloak/authentication/authenticators/x509/ValidateX509CertificateUsername.java#L74-L76",
"https://github.com/advisories/GHSA-rpj2-w6fr-79hc"
],
"uuid": "3d926952-20b2-4c5c-98ed-e8e15337a966"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:redhat:keycloak:11.0.3:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2020-35509"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://access.redhat.com/security/cve/cve-2020-35509",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/security/cve/cve-2020-35509"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"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"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5
}
},
"lastModifiedDate": "2022-12-01T14:40Z",
"publishedDate": "2022-08-23T16:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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