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Red Hat Security Advisory 2022-6783-01

Red Hat Security Advisory 2022-6783-01
Posted Oct 5, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-6783-01 - 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. Issues addressed include HTTP request smuggling, code execution, cross site scripting, and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2020-36518, CVE-2021-42392, CVE-2021-43797, CVE-2022-0084, CVE-2022-0225, CVE-2022-0866, CVE-2022-2256, CVE-2022-2668
SHA-256 | c634291e814c5d71d9282254b7ea4a4726267ec9b38abf7abd26f66ed5f82571

Red Hat Security Advisory 2022-6783-01

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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: Red Hat Single Sign-On 7.5.3 security update on RHEL 8
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
CVE Names: CVE-2020-36518 CVE-2021-42392 CVE-2021-43797
CVE-2022-0084 CVE-2022-0225 CVE-2022-0866
CVE-2022-2256 CVE-2022-2668
====================================================================
1. Summary:

New Red Hat Single Sign-On 7.5.3 packages are now available for Red Hat
Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

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

3. Description:

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

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

6. 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/

7. 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

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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