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Red Hat RHEL 8 RHSA-2022:0152 Important: Red Hat Single Sign-On Security

red hat
Calendar Grey January 17, 2022
Dist Redhat Esm H88
Critical security patch released for Red Hat Single Sign-On 7.5.1 on RHEL 8, classified as vital by the Red Hat Security team.
New Red Hat Single Sign-On 7.5.1 packages are now available for Red Hat Enterprise Linux 8

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

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 release of Red Hat Single Sign-On 7.5.1 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.5.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* Keycloak: Incorrect authorization allows unpriviledged users to create other users (CVE-2021-4133)
* keycloak-server-spi-private: ECP SAML binding bypasses authentication flows (CVE-2021-3827)
* xml-security: XPath Transform abuse allows for information disclosure (CVE-2021-40690)
* resteasy: Error message exposes endpoint class information (CVE-2021-20289)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat important authentication information disclosure Keycloak

References

https://access.redhat.com/security/cve/CVE-2021-3827 https://access.redhat.com/security/cve/CVE-2021-4133 https://access.redhat.com/security/cve/CVE-2021-20289 https://access.redhat.com/security/cve/CVE-2021-40690 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-15.0.4-1.redhat_00001.1.el8sso.src.rpm
noarch: rh-sso7-keycloak-15.0.4-1.redhat_00001.1.el8sso.noarch.rpm rh-sso7-keycloak-server-15.0.4-1.redhat_00001.1.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0152-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0152
Issue date: 2022-01-17

Topic

New Red Hat Single Sign-On 7.5.1 packages are now available for Red HatEnterprise 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.

Topics%20covered

Topics Covered

security advisory security update Red Hat important authentication information disclosure Keycloak

Relevant Releases Architectures

Red Hat Single Sign-On 7.4 for RHEL 8 - noarch

Bugs Fixed

1935927 - CVE-2021-20289 resteasy: Error message exposes endpoint class information

2007512 - CVE-2021-3827 keycloak-server-spi-private: ECP SAML binding bypasses authentication flows

2011190 - CVE-2021-40690 xml-security: XPath Transform abuse allows for information disclosure

2033602 - CVE-2021-4133 Keycloak: Incorrect authorization allows unpriviledged users to create other users

6. JIRA issues fixed (https://redhat.atlassian.net/jira/projects):

CIAM-1615 - Create RPMs for the RH-SSO 7.5.1 release for RHEL8

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