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cve-2020-27826
Vulnerability from cvelistv5
Published
2021-05-28 10:20
Modified
2024-08-04 16:25
Severity ?
EPSS score ?
Summary
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1905089 | Issue Tracking, Vendor Advisory |
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rhsa-2020_5526
Vulnerability from csaf_redhat
Published
2020-12-15 17:07
Modified
2024-11-05 23:06
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.4 security update on RHEL 6
Notes
Topic
New Red Hat Single Sign-On 7.4.4 packages are now available for Red Hat Enterprise Linux 6.
Details
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.4.4 on RHEL 6 serves as a replacement for Red Hat Single Sign-On 7.4.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* keycloak: Account REST API can update user metadata attributes (CVE-2020-27826)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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rhsa-2020_5528
Vulnerability from csaf_redhat
Published
2020-12-15 18:02
Modified
2024-11-05 23:07
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.4 security update on RHEL 8
Notes
Topic
New Red Hat Single Sign-On 7.4.4 packages are now available for Red Hat Enterprise Linux 8.
Details
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.4.4 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.4.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* keycloak: Account REST API can update user metadata attributes (CVE-2020-27826)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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}
rhsa-2020_5533
Vulnerability from csaf_redhat
Published
2020-12-15 17:14
Modified
2024-11-15 07:26
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.4 security update
Notes
Topic
A security update is now available for Red Hat Single Sign-On 7.4 from the Customer Portal.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.4.4 serves as a replacement for Red Hat Single Sign-On 7.4.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* redhat-sso-7-openshift-containers: /etc/passwd is given incorrect privileges (CVE-2020-10695)
* hibernate-core: SQL injection vulnerability when both hibernate.use_sql_comments and JPQL String literals are used (CVE-2020-25638)
* jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE) (CVE-2020-25649)
* keycloak: Account REST API can update user metadata attributes (CVE-2020-27826)
* keycloak-nodejs-connect: nodejs-elliptic: improper encoding checks allows a certain degree of signature malleability in ECDSA signatures (CVE-2020-13822)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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},
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"title": "Vulnerability description"
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"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
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"title": "containers/redhat-sso-7: /etc/passwd is given incorrect privileges"
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{
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"ids": [
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"text": "The Elliptic for Node.js allows ECDSA signature malleability via variations in encoding, leading \u0027\\0\u0027 bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.",
"title": "Vulnerability description"
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"text": "nodejs-elliptic: improper encoding checks allows a certain degree of signature malleability in ECDSA signatures",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "In both OpenShift Container Platform (OCP) and OpenShift ServiceMesh (OSSM), the grafana and prometheus containers don\u0027t use the vulnerable elliptic library for authentication (OpenShift OAuth is used) or traffic communications (OpenShift route is used). Therefore the impact for OCP and OSSM is Low.\n\nRed Hat Quay includes nodejs-elliptic as a dependency of webpack. That dependency is only used at development time, not runtime. Therefore this vulnerability is rated low for Red Hat Quay.",
"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-13822",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13822"
},
{
"category": "external",
"summary": "https://snyk.io/vuln/SNYK-JS-ELLIPTIC-571484",
"url": "https://snyk.io/vuln/SNYK-JS-ELLIPTIC-571484"
}
],
"release_date": "2020-06-01T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-12-15T17:14:01+00:00",
"details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
"product_ids": [
"Text-Only RHSSO"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:5533"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
"products": [
"Text-Only RHSSO"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "nodejs-elliptic: improper encoding checks allows a certain degree of signature malleability in ECDSA signatures"
},
{
"cve": "CVE-2020-25638",
"cwe": {
"id": "CWE-89",
"name": "Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)"
},
"discovery_date": "2020-09-10T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1881353"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in hibernate-core in versions prior to and including 5.4.23.Final. A SQL injection in the implementation of the JPA Criteria API can permit unsanitized literals when a literal is used in the SQL comments of the query. This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "hibernate-core: SQL injection vulnerability when both hibernate.use_sql_comments and JPQL String literals are used",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "For Red Hat Process Automation Manager and Red Hat Decision Manager, the kie-server-ee7 zip is primarily for Weblogic/Websphere which is decided to stay on hibernate 5.1.x, it\u0027s not possible to make an upgrade to 5.3.x due to technical reasons. For this reason this fix is included only for kie-server-ee7. For this reason there are two components for RHPAM and RHDM.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Text-Only RHSSO"
]
},
"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-25638"
},
{
"category": "external",
"summary": "RHBZ#1881353",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1881353"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-25638",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-25638"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-25638",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25638"
}
],
"release_date": "2020-10-01T00:00:00+00:00",
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"details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
"product_ids": [
"Text-Only RHSSO"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:5533"
},
{
"category": "workaround",
"details": "Set hibernate.use_sql_comments to false, which is the default value, or use named parameters instead of literals. Please refer to details in https://docs.jboss.org/hibernate/orm/5.4/userguide/html_single/Hibernate_User_Guide.html#configurations-logging and https://docs.jboss.org/hibernate/orm/5.4/userguide/html_single/Hibernate_User_Guide.html#sql-query-parameters.",
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"scores": [
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"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"products": [
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"threats": [
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"category": "impact",
"details": "Important"
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],
"title": "hibernate-core: SQL injection vulnerability when both hibernate.use_sql_comments and JPQL String literals are used"
},
{
"cve": "CVE-2020-25649",
"cwe": {
"id": "CWE-611",
"name": "Improper Restriction of XML External Entity Reference"
},
"discovery_date": "2020-08-25T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1887664"
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"notes": [
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"category": "description",
"text": "A flaw was found in FasterXML Jackson Databind, where it did not have entity expansion secured properly. This flaw allows vulnerability to XML external entity (XXE) attacks. The highest threat from this vulnerability is data integrity.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE)",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "* Red Hat Enterprise Linux 8 ships a vulnerable version of jackson-databind in the pki-deps:10.6 module. pki-deps:10.6 is for pki-core dependencies, but pki-core does not use the vulnerable DOMDeserializer class and thus has been set to low impact. Future updates may include fixed version of jackson-databind.\n\n* Red Hat OpenStack Platform ships OpenDaylight, which contains the vulnerable jackson-databind code. However, OpenDaylight does not expose jackson-databind in a way that would make it vulnerable, lowering the impact of the vulnerability for OpenDaylight. As such, Red Hat will not be providing a fix for OpenDaylight at this time.\n\n* Red Hat Virtualization ships a vulnerable version of jackson-databind, however the vulnerable DOMDeserializer class is not used in the code, therefore reducing impact to low.\n\n* Red Hat OpenShift Container Platform (OCP) ships a vulnerable version of jackson-databind, but in the affected containers the DOMDeserializer class is not used. Additionally access to the containers is restricted to authenticated users only (OpenShift OAuth authentication) reducing the severity of this vulnerability to Low.\nIn OCP 4 there are no plans to maintain ose-logging-elasticsearch5 container, hence marked as wontfix.\n\n* Red Hat Satellite ships affected version of jackson-databind through Candlepin, however, product code does not use DOMDeserializer class and jackson-databind in a vulnerable way. Thus impact has been set to low. A future release may update jackson-databind to a fixed version.\n\n* Red Hat Single Sign-On (RH-SSO) ships affected version of jackson-databind, however, none of the product code is using the affected class (DOMDeserializer). Thus impact has been set to low. RH-SSO will consume the fixed artifact from EAP in the next CP.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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],
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"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2020-25649"
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{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25649"
},
{
"category": "external",
"summary": "https://github.com/FasterXML/jackson-databind/issues/2589",
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"date": "2020-12-15T17:14:01+00:00",
"details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
"product_ids": [
"Text-Only RHSSO"
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"category": "none"
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},
{
"category": "workaround",
"details": "There is currently no known mitigation for this flaw.",
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],
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"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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},
"products": [
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"title": "jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE)"
},
{
"acknowledgments": [
{
"names": [
"Marek Posolda"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2020-27826",
"cwe": {
"id": "CWE-250",
"name": "Execution with Unnecessary Privileges"
},
"discovery_date": "2020-12-07T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1905089"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "keycloak: Account REST API can update user metadata attributes",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"product_status": {
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2020-27826"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-27826",
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}
],
"release_date": "2020-12-07T00:00:00+00:00",
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"product_ids": [
"Text-Only RHSSO"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:5533"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"Text-Only RHSSO"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "keycloak: Account REST API can update user metadata attributes"
}
]
}
rhsa-2020_5527
Vulnerability from csaf_redhat
Published
2020-12-15 17:08
Modified
2024-11-05 23:06
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.4.4 security update on RHEL 7
Notes
Topic
New Red Hat Single Sign-On 7.4.4 packages are now available for Red Hat Enterprise Linux 7.
Details
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.
This release of Red Hat Single Sign-On 7.4.4 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.4.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* keycloak: Account REST API can update user metadata attributes (CVE-2020-27826)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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},
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},
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{
"system_name": "Red Hat Bugzilla ID",
"text": "1905089"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "keycloak: Account REST API can update user metadata attributes",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"7Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso.noarch",
"7Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso.src",
"7Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.10-1.redhat_00001.1.el7sso.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-27826"
},
{
"category": "external",
"summary": "RHBZ#1905089",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905089"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-27826",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-27826"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-27826",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27826"
}
],
"release_date": "2020-12-07T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-12-15T17:08:56+00:00",
"details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"7Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso.noarch",
"7Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso.src",
"7Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.10-1.redhat_00001.1.el7sso.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2020:5527"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"products": [
"7Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso.noarch",
"7Server-RHSSO-7.4:rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso.src",
"7Server-RHSSO-7.4:rh-sso7-keycloak-server-0:9.0.10-1.redhat_00001.1.el7sso.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "keycloak: Account REST API can update user metadata attributes"
}
]
}
ghsa-m9cj-v55f-8x26
Vulnerability from github
Published
2022-03-18 17:55
Modified
2022-03-18 17:55
Severity ?
Summary
Authentication Bypass in keycloak
Details
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
{
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"ecosystem": "Maven",
"name": "org.keycloak:keycloak-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "12.0.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2020-27826"
],
"database_specific": {
"cwe_ids": [
"CWE-250"
],
"github_reviewed": true,
"github_reviewed_at": "2021-06-01T18:10:09Z",
"nvd_published_at": "2021-05-28T11:15:00Z",
"severity": "HIGH"
},
"details": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"id": "GHSA-m9cj-v55f-8x26",
"modified": "2022-03-18T17:55:26Z",
"published": "2022-03-18T17:55:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27826"
},
{
"type": "WEB",
"url": "https://github.com/keycloak/keycloak/commit/dae4a3eaf26590b8d441b8e4bec3b700ee303b72"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/cve-2020-27826"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905089"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Authentication Bypass in keycloak"
}
gsd-2020-27826
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
Aliases
Aliases
{
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"alias": "CVE-2020-27826",
"description": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"id": "GSD-2020-27826",
"references": [
"https://access.redhat.com/errata/RHSA-2020:5533",
"https://access.redhat.com/errata/RHSA-2020:5528",
"https://access.redhat.com/errata/RHSA-2020:5527",
"https://access.redhat.com/errata/RHSA-2020:5526",
"https://security.archlinux.org/CVE-2020-27826"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-27826"
],
"details": "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user\u0027s metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.",
"id": "GSD-2020-27826",
"modified": "2023-12-13T01:22:10.707919Z",
"schema_version": "1.4.0"
}
},
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"gitlab.com": {
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"fixed_versions": [
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"identifier": "CVE-2020-27826",
"identifiers": [
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],
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"package_slug": "maven/org.keycloak/keycloak-core",
"pubdate": "2021-05-28",
"solution": "Upgrade to version 12.0.0 or above.",
"title": "Execution with Unnecessary Privileges",
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"impact": {
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}
},
"lastModifiedDate": "2021-06-04T16:50Z",
"publishedDate": "2021-05-28T11:15Z"
}
}
}
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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.
- 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.