RedHat: RHSA-2021-5219:02 Important: Red Hat Single Sign-On security update
Summary
Red Hat Single Sign-On 7.5 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 is an asynchronous patch for Red Hat Single Sign-On 7.5, and includes
one security fix.
Security Fix:
* keycloak: Incorrect authorization allows unpriviledged users to create
other users (CVE-2021-4133)
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-2021-4133 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.5/
Package List
Red Hat Single Sign-On 7.4 for RHEL 8:
Source:
rh-sso7-keycloak-15.0.2-3.redhat_00002.1.el8sso.src.rpm
noarch:
rh-sso7-keycloak-15.0.2-3.redhat_00002.1.el8sso.noarch.rpm
rh-sso7-keycloak-server-15.0.2-3.redhat_00002.1.el8sso.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
A security update is now available for Red Hat Single Sign-On 7.5 on RedHat Enterprise Linux 8.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 7.4 for RHEL 8 - noarch
Bugs Fixed
2033602 - CVE-2021-4133 Keycloak: Incorrect authorization allows unpriviledged users to create other users