RedHat: RHSA-2023-3883:01 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 on RHEL 7 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)
* undertow: Infinite loop in SslConduit during close (CVE-2023-1108)
* keycloak: oauth client impersonation (CVE-2023-2422)
* keycloak: Untrusted Certificate Validation (CVE-2023-1664)
* keycloak: client access via device auth request spoof (CVE-2023-2585)
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-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 https://access.redhat.com/articles/11258
Package List
Red Hat Single Sign-On 7.6 for RHEL 7 Server:
Source:
rh-sso7-keycloak-18.0.8-1.redhat_00001.1.el7sso.src.rpm
noarch:
rh-sso7-keycloak-18.0.8-1.redhat_00001.1.el7sso.noarch.rpm
rh-sso7-keycloak-server-18.0.8-1.redhat_00001.1.el7sso.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
New Red Hat Single Sign-On 7.6.4 packages are now available for Red HatEnterprise Linux 7.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
Red Hat Single Sign-On 7.6 for RHEL 7 Server - noarch
Bugs Fixed
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
