A Red Hat Single Sign-On 7.4.3 security update has been released.
RHSA-2020:4931-01: Moderate: Red Hat Single Sign-On 7.4.3 security update
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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
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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 . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
