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Red Hat SSO 7.6.1 Security Advisory: RHSA-2022:7417-01 RCE Risk

red hat
Calendar Grey November 3, 2022
Dist Redhat Esm H88
Essential security enhancement for Red Hat Single Sign-On 7.6.1 targeting various critical weaknesses within the application.
A security update is now available for Red Hat Single Sign-On 7.6 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 7.6 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 7.6.1 serves as a replacement for Red Hat Single Sign-On 7.6.0, 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)
* h2: Remote Code Execution in Console (CVE-2021-42392)
* netty: control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)
* xnio: org.xnio.StreamConnection.notifyReadClosed log to debug instead of stderr (CVE-2022-0084)
* keycloak: Stored XSS in groups dropdown (CVE-2022-0225)
* wildfly: Wildfly management of EJB Session context returns wrong caller principal with Elytron Security enabled (CVE-2022-0866)
* keycloak: Uploading of SAML javascript protocol mapper scripts through the admin console (CVE-2022-2668)
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 moderate denial of service security update remote code execution Red Hat Single Sign-On authenticaton

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-2022-2668 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.6

Package List


Advisory ID: RHSA-2022:7417-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7417
Issue date: 2022-11-03

Topic

A security update is now available for Red Hat Single Sign-On 7.6 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 denial of service security update remote code execution Red Hat Single Sign-On authenticaton

Relevant Releases Architectures

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

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

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