- Vulnerability/
- RHSA-2023:3892
RHSA-2023:3892: Important: Red Hat Single Sign-On 7.6.4 security update
First published: Tue Jun 27 2023(Updated: )
Red Hat Single Sign-On 7.6 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.<br>This release of Red Hat Single Sign-On 7.6.4 serves as a replacement for Red Hat Single Sign-On 7.6.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.<br>Security Fix(es):<br><li> keycloak: Cross-site scripting when validating URI-schemes on SAML and OIDC (CVE-2022-4361)</li> <li> keycloak: oauth client impersonation (CVE-2023-2422)</li> <li> keycloak: Untrusted Certificate Validation (CVE-2023-1664)</li> <li> undertow: Infinite loop in SslConduit during close (CVE-2023-1108)</li> <li> keycloak: client access via device auth request spoof (CVE-2023-2585)</li> <li> xstream: Arbitrary code execution via unsafe deserialization of sun.tracing.* (CVE-2021-39144)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Single Sign On | ||
| Red Hat Single Sign On | <7.6.4 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1997772
- https://bugzilla.redhat.com/show_bug.cgi?id=2151618
- https://bugzilla.redhat.com/show_bug.cgi?id=2174246
- https://bugzilla.redhat.com/show_bug.cgi?id=2182196
- https://bugzilla.redhat.com/show_bug.cgi?id=2191668
- https://bugzilla.redhat.com/show_bug.cgi?id=2196335
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2023:3892 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2023:3892?
The severity of RHSA-2023:3892 is classified as critical.
How do I fix RHSA-2023:3892?
To fix RHSA-2023:3892, update your Red Hat Single Sign-On to version 7.6.4 or later.
What vulnerabilities are addressed by RHSA-2023:3892?
RHSA-2023:3892 addresses multiple vulnerabilities related to authentication security flaws in Red Hat Single Sign-On 7.6.
Is it necessary to apply the RHSA-2023:3892 update immediately?
Yes, it is recommended to apply the RHSA-2023:3892 update immediately to mitigate the critical vulnerabilities.
How can I verify if my system is affected by RHSA-2023:3892?
To verify if your system is affected by RHSA-2023:3892, check the version of your Red Hat Single Sign-On installation.
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