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Red Hat Security Advisory 2020-4931-01

Red Hat Security Advisory 2020-4931-01
Posted Nov 5, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4931-01 - 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 7.4.3 serves as a replacement for Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass, cross site scripting, denial of service, and man-in-the-middle vulnerabilities.

tags | advisory, web, denial of service, vulnerability, xss
systems | linux, redhat
advisories | CVE-2020-10776, CVE-2020-14299, CVE-2020-14338, CVE-2020-14340, CVE-2020-14389, CVE-2020-1954
MD5 | c8d96572a1451b71d5219cd6f0a6e0d2

Red Hat Security Advisory 2020-4931-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: Red Hat Single Sign-On 7.4.3 security update
Advisory ID: RHSA-2020:4931-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4931
Issue date: 2020-11-04
CVE Names: CVE-2020-1954 CVE-2020-10776 CVE-2020-14299
CVE-2020-14338 CVE-2020-14340 CVE-2020-14389
====================================================================
1. Summary:

A security update is now available for Red Hat Single Sign-On 7.4 from the
Customer Portal.

Red Hat Product Security has rated this update as having a security impact
of Important. 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. Description:

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 7.4.3 serves as a replacement for
Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.

Security Fix(es):

* picketbox: JBoss EAP reload to admin-only mode allows authentication
bypass (CVE-2020-14299)

* wildfly: XML validation manipulation due to incomplete application of
use-grammar-pool-only in xercesImpl (CVE-2020-14338)

* xnio: file descriptor leak caused by growing amounts of NIO Selector file
handles may lead to DoS (CVE-2020-14340)

* keycloak: user can manage resources with just "view-profile" role using
new Account Console (CVE-2020-14389)

* cxf: JMX integration is vulnerable to a MITM attack (CVE-2020-1954)

* keycloak: OIDC redirect_uri allows dangerous schemes resulting in
potential XSS (CVE-2020-10776)

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.

3. 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).

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

1824301 - CVE-2020-1954 cxf: JMX integration is vulnerable to a MITM attack
1847428 - CVE-2020-10776 keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS
1848533 - CVE-2020-14299 picketbox: JBoss EAP reload to admin-only mode allows authentication bypass
1860054 - CVE-2020-14338 wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl
1860218 - CVE-2020-14340 xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS
1875843 - CVE-2020-14389 keycloak: user can manage resources with just "view-profile" role using new Account Console

5. References:

https://access.redhat.com/security/cve/CVE-2020-1954
https://access.redhat.com/security/cve/CVE-2020-10776
https://access.redhat.com/security/cve/CVE-2020-14299
https://access.redhat.com/security/cve/CVE-2020-14338
https://access.redhat.com/security/cve/CVE-2020-14340
https://access.redhat.com/security/cve/CVE-2020-14389
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://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/

6. Contact:

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

Copyright 2020 Red Hat, Inc.
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