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                   Red Hat Security Advisory

Synopsis:          Important: Red Hat Single Sign-On 7.6.5 security update on RHEL 8
Advisory ID:       RHSA-2023:4919-01
Product:           Red Hat Single Sign-On
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:4919
Issue date:        2023-08-31
CVE Names:         CVE-2021-46877 CVE-2023-1436 CVE-2023-3223 
=====================================================================

1. Summary:

New Red Hat Single Sign-On 7.6.5 packages are now available for Red Hat
Enterprise Linux 8.

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 8 - 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 8 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 8:

Source:
rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el8sso.src.rpm

noarch:
rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el8sso.noarch.rpm
rh-sso7-keycloak-server-18.0.9-1.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-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 . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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RedHat: RHSA-2023-4919:01 Important: Red Hat Single Sign-On 7.6.5 security

New Red Hat Single Sign-On 7.6.5 packages are now available for Red Hat Enterprise Linux 8

Summary

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 8 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.



Summary


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

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

Package List

Red Hat Single Sign-On 7.6 for RHEL 8:
Source: rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el8sso.src.rpm
noarch: rh-sso7-keycloak-18.0.9-1.redhat_00001.1.el8sso.noarch.rpm rh-sso7-keycloak-server-18.0.9-1.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/


Severity
Advisory ID: RHSA-2023:4919-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4919
Issued Date: : 2023-08-31
CVE Names: CVE-2021-46877 CVE-2023-1436 CVE-2023-3223

Topic

New Red Hat Single Sign-On 7.6.5 packages are now available for Red HatEnterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Single Sign-On 7.6 for RHEL 8 - noarch


Bugs Fixed

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


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