Red Hat Security Advisory 2023-4920-01 – Torchsec
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Red Hat Security Advisory
Synopsis: Important: Red Hat Single Sign-On 7.6.5 security update on RHEL 9
Advisory ID: RHSA-2023:4920-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4920
Issue date: 2023-08-31
CVE Names: CVE-2021-46877 CVE-2023-1436 CVE-2023-3223
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1. Summary:
New Red Hat Single Sign-On 7.6.5 packages are now available for Red Hat
Enterprise Linux 9.
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. Relevant releases/architectures:
Red Hat Single Sign-On 7.6 for RHEL 9 - noarch
3. Description:
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 7.6.5 on RHEL 9 serves as a
replacement for Red Hat Single Sign-On 7.6.4, and includes bug fixes and
enhancements, which are documented in the Release Notes document linked to
in the References.
Security Fix(es):
* undertow: OutOfMemoryError due to @MultipartConfig handling
(CVE-2023-3223)
* jackson-databind: Possible DoS if using JDK serialization to serialize
JsonNode (CVE-2021-46877)
* jettison: Uncontrolled Recursion in JSONArray (CVE-2023-1436)
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/):
2182788 - CVE-2023-1436 jettison: Uncontrolled Recursion in JSONArray
2185707 - CVE-2021-46877 jackson-databind: Possible DoS if using JDK serialization to serialize JsonNode
2209689 - CVE-2023-3223 undertow: OutOfMemoryError due to @MultipartConfig handling
6. Package List:
Red Hat Single Sign-On 7.6 for RHEL 9:
Source:
rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el9sso.src.rpm
noarch:
rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el9sso.noarch.rpm
rh-sso7-keycloak-server-18.0.9-1.redhat_00001.1.el9sso.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-2021-46877
https://access.redhat.com/security/cve/CVE-2023-1436
https://access.redhat.com/security/cve/CVE-2023-3223
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
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