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RHEL 8 Red Hat Single Sign-On 7.5.3 Moderate Security Advisory

red hat
Calendar Grey October 4, 2022
Dist Redhat Esm H88
Red Hat Single Sign-On version 7.5.3 on RHEL 8 has received a security patch classified as moderate, resolving several identified vulnerabilities.
New Red Hat Single Sign-On 7.5.3 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 7.5.3 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.5.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* jackson-databind: denial of service via a large depth of nested objects (CVE-2020-36518)
* wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security enabled (CVE-2022-0866)
* xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)
* netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)
* keycloak-saml-core: keycloak: Uploading of SAML javascript protocol mapper scripts through the admin (CVE-2022-2668)
* keycloak: Stored XSS in groups dropdown (CVE-2022-0225)
* h2: Remote Code Execution in Console (CVE-2021-42392)
* keycloak-core: keycloak: improper input validation permits script injection (CVE-2022-2256)
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 security issue Red Hat update moderate impact authentication Single Sign-On

References

https://access.redhat.com/security/cve/CVE-2020-36518 https://access.redhat.com/security/cve/CVE-2021-42392 https://access.redhat.com/security/cve/CVE-2021-43797 https://access.redhat.com/security/cve/CVE-2022-0084 https://access.redhat.com/security/cve/CVE-2022-0225 https://access.redhat.com/security/cve/CVE-2022-0866 https://access.redhat.com/security/cve/CVE-2022-2256 https://access.redhat.com/security/cve/CVE-2022-2668 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Single Sign-On 7.5 for RHEL 8:
Source: rh-sso7-keycloak-15.0.8-1.redhat_00001.1.el8sso.src.rpm
noarch: rh-sso7-keycloak-15.0.8-1.redhat_00001.1.el8sso.noarch.rpm rh-sso7-keycloak-server-15.0.8-1.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/


Advisory ID: RHSA-2022:6783-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6783
Issue date: 2022-10-04

Topic

New Red Hat Single Sign-On 7.5.3 packages are now available for Red HatEnterprise Linux 8.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 security issue Red Hat update moderate impact authentication Single Sign-On

Relevant Releases Architectures

Red Hat Single Sign-On 7.5 for RHEL 8 - noarch

Bugs Fixed

2031958 - CVE-2021-43797 netty: control chars in header names may lead to HTTP request smuggling

2039403 - CVE-2021-42392 h2: Remote Code Execution in Console

2040268 - CVE-2022-0225 keycloak: Stored XSS in groups dropdown

2060929 - CVE-2022-0866 wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security enabled

2064226 - CVE-2022-0084 xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr

2064698 - CVE-2020-36518 jackson-databind: denial of service via a large depth of nested objects

2101942 - CVE-2022-2256 keycloak: improper input validation permits script injection

2115392 - CVE-2022-2668 keycloak: Uploading of SAML javascript protocol mapper scripts through the admin console

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