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AUSCERT External Security Bulletin Redistribution
ESB-2020.3942
Red Hat Single Sign-On 7.4.3 one-off security update
10 November 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat Single Sign-On 7.4.3
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-25644
Reference: ESB-2020.3802
ESB-2020.3536
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:4978
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Red Hat Security Advisory
Synopsis: Important: Red Hat Single Sign-On 7.4.3 one-off security update
Advisory ID: RHSA-2020:4978-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4978
Issue date: 2020-11-09
CVE Names: CVE-2020-25644
=====================================================================
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.
Security Fix:
* wildfly-openssl: memory leak per HTTP session creation in WildFly OpenSSL
(CVE-2020-25644)
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/):
1885485 - CVE-2020-25644 wildfly-openssl: memory leak per HTTP session creation in WildFly OpenSSL
5. References:
https://access.redhat.com/security/cve/CVE-2020-25644
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=core.service.rhsso&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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