CVE-2018-10894 (GCVE-0-2018-10894)
Vulnerability from cvelistv5 – Published: 2018-08-01 17:00 – Updated: 2024-08-05 07:54
VLAI
Summary
It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
Severity
5.4 (Medium)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:3592 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:3593 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:3595 | vendor-advisoryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2019:0877 | vendor-advisoryx_refsource_REDHAT |
Date Public
2018-07-09 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T07:54:34.911Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "RHSA-2018:3592",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"name": "RHSA-2018:3593",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"name": "RHSA-2018:3595",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"
},
{
"name": "RHSA-2019:0877",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0877"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "keycloak",
"vendor": "Red Hat",
"versions": [
{
"status": "affected",
"version": "3.4.3.Final"
}
]
}
],
"datePublic": "2018-07-09T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-345",
"description": "CWE-345",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2019-04-24T21:06:04.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "RHSA-2018:3592",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"name": "RHSA-2018:3593",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"name": "RHSA-2018:3595",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"
},
{
"name": "RHSA-2019:0877",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0877"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secalert@redhat.com",
"ID": "CVE-2018-10894",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "keycloak",
"version": {
"version_data": [
{
"version_value": "3.4.3.Final"
}
]
}
}
]
},
"vendor_name": "Red Hat"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks."
}
]
},
"impact": {
"cvss": [
[
{
"vectorString": "5.4/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.0"
}
]
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-345"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "RHSA-2018:3592",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"name": "RHSA-2018:3593",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"name": "RHSA-2018:3595",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894",
"refsource": "CONFIRM",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"
},
{
"name": "RHSA-2019:0877",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:0877"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2018-10894",
"datePublished": "2018-08-01T17:00:00.000Z",
"dateReserved": "2018-05-09T00:00:00.000Z",
"dateUpdated": "2024-08-05T07:54:34.911Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2018-10894",
"date": "2026-05-27",
"epss": "0.00054",
"percentile": "0.17177"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3D602684-69EC-4051-AF5B-02595A16BEBA\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FABBE0BB-135A-458C-BD84-54C052FFDC57\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.\"}, {\"lang\": \"es\", \"value\": \"Se ha descubierto que la autenticaci\\u00f3n SAML en Keycloak 3.4.3.Final autenticaba incorrectamente los certificados caducados. Un usuario malicioso podr\\u00eda aprovecharse de esto para acceder a datos no autorizados o, posiblemente, llevar a cabo m\\u00e1s ataques.\"}]",
"id": "CVE-2018-10894",
"lastModified": "2024-11-21T03:42:14.650",
"metrics": "{\"cvssMetricV30\": [{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.5}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.5}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:S/C:P/I:P/A:N\", \"baseScore\": 5.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2018-08-01T17:29:00.347",
"references": "[{\"url\": \"https://access.redhat.com/errata/RHSA-2018:3592\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3593\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3595\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:0877\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3592\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3593\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2018:3595\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:0877\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Vendor Advisory\"]}]",
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-345\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-295\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2018-10894\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2018-08-01T17:29:00.347\",\"lastModified\":\"2024-11-21T03:42:14.650\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto que la autenticaci\u00f3n SAML en Keycloak 3.4.3.Final autenticaba incorrectamente los certificados caducados. Un usuario malicioso podr\u00eda aprovecharse de esto para acceder a datos no autorizados o, posiblemente, llevar a cabo m\u00e1s ataques.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:N\",\"baseScore\":5.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-345\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D602684-69EC-4051-AF5B-02595A16BEBA\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FABBE0BB-135A-458C-BD84-54C052FFDC57\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"}]}]}],\"references\":[{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3592\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3593\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3595\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:0877\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3592\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3593\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2018:3595\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:0877\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…