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Red Hat 7.6.5 Important: Security Advisory for Single Sign-On

red hat
Calendar Grey August 31, 2023
Dist Redhat Esm H88
Crucial safety patch released for Red Hat Identity Server 7.6.5 targeting major flaws and bolstering defenses.
A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal

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

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 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.

Topics%20covered

Topics Covered

security advisory red hat important authentication dos single sign-on recursion error

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 https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.6

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4924-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4924
Issue date: 2023-08-31

Topic

A security update is now available for Red Hat Single Sign-On 7.6 from theCustomer Portal.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.

Topics%20covered

Topics Covered

security advisory red hat important authentication dos single sign-on recursion error

Relevant Releases Architectures

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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