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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"text": "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.\n\nThis 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.\n\nSecurity Fix(es):\n\n* keycloak: Account REST API can update user metadata attributes (CVE-2020-27826)\n\nFor 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.",
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"title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.4.4 security update on RHEL 7",
"tracking": {
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"vulnerabilities": [
{
"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": [
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"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"
},
{
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"text": "keycloak: Account REST API can update user metadata attributes",
"title": "Vulnerability summary"
},
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"title": "CVSS score applicability"
}
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"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",
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"scores": [
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.2,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"version": "3.1"
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"threats": [
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"details": "Low"
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],
"title": "keycloak: Account REST API can update user metadata attributes"
}
]
}
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- 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.