RedHat: RHSA-2023-3892:01 Important: Red Hat Single Sign-On 7.6.4 security
Summary
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.
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.
Security Fix(es):
* keycloak: Cross-site scripting when validating URI-schemes on SAML and
OIDC (CVE-2022-4361)
* keycloak: oauth client impersonation (CVE-2023-2422)
* keycloak: Untrusted Certificate Validation (CVE-2023-1664)
* undertow: Infinite loop in SslConduit during close (CVE-2023-1108)
* keycloak: client access via device auth request spoof (CVE-2023-2585)
* xstream: Arbitrary code execution via unsafe deserialization of
sun.tracing.* (CVE-2021-39144)
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.
Summary
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2021-39144 https://access.redhat.com/security/cve/CVE-2022-4361 https://access.redhat.com/security/cve/CVE-2023-1108 https://access.redhat.com/security/cve/CVE-2023-1664 https://access.redhat.com/security/cve/CVE-2023-2422 https://access.redhat.com/security/cve/CVE-2023-2585 https://access.redhat.com/security/updates/classification/#important
Package List
Topic
A security update is now available for Red Hat Single Sign-On 7.6 from theCustomer Portal.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Bugs Fixed
1997772 - CVE-2021-39144 xstream: Arbitrary code execution via unsafe deserialization of sun.tracing.*
2151618 - CVE-2022-4361 Keycloak | RHSSO: XSS due to lax URI scheme validation
2174246 - CVE-2023-1108 Undertow: Infinite loop in SslConduit during close
2182196 - CVE-2023-1664 keycloak: Untrusted Certificate Validation
2191668 - CVE-2023-2422 keycloak: oauth client impersonation
2196335 - CVE-2023-2585 keycloak: client access via device auth request spoof
