Alerts This Week
Warning Icon 1 692
Alerts This Week
Warning Icon 1 692

Red Hat 7.4.7 RHSA-2021:2070-01 Moderate: Single Sign-On Security Fixes

red hat
Calendar Grey May 20, 2021
Dist Redhat Esm H88
Critical patch released for Red Hat Identity Management 7.4.7 to fix multiple security issues. Get it today.
A security update is now available for Red Hat Single Sign-On 7.4 from the Customer Portal

Solution

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link (you must log in to download the update).

Summary

Red Hat Single Sign-On 7.4 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 7.4.7 serves as a replacement for Red Hat Single Sign-On 7.4.6, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* netty: Information disclosure via the local system temporary directory (CVE-2021-21290)
* netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)
* keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP (CVE-2021-3461)
* keycloak: Internationalized domain name (IDN) homograph attack to impersonate users (CVE-2021-3424)
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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat authentication information disclosure request smuggling keycloak netty backchannel logout

References

https://access.redhat.com/security/cve/CVE-2021-3424 https://access.redhat.com/security/cve/CVE-2021-3461 https://access.redhat.com/security/cve/CVE-2021-21290 https://access.redhat.com/security/cve/CVE-2021-21295 https://access.redhat.com/security/updates/classification#moderate https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4 https://docs.redhat.com/en/documentation/red_hat_single_sign-on/7.4

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2070-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2070
Issue date: 2021-05-20

Topic

A security update is now available for Red Hat Single Sign-On 7.4 from theCustomer Portal.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat authentication information disclosure request smuggling keycloak netty backchannel logout

Relevant Releases Architectures

Bugs Fixed

1927028 - CVE-2021-21290 netty: Information disclosure via the local system temporary directory

1933320 - CVE-2021-3424 keycloak: Internationalized domain name (IDN) homograph attack to impersonate users1937364 - CVE-2021-21295 netty: possible request smuggling in HTTP/2 due missing validation

1941565 - CVE-2021-3461 keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here