Red Hat Product Errata RHSA-2023:4924 - Security Advisory
Issued:
2023-08-31
Updated:
2023-08-31

RHSA-2023:4924 - Security Advisory

Synopsis

Important: Red Hat Single Sign-On 7.6.5 security update

Type/Severity

Security Advisory: Important

Topic

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

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 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.

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

Affected Products

  • Red Hat Single Sign-On Text-Only Advisories x86_64

Fixes

  • BZ - 2182788 - CVE-2023-1436 jettison: Uncontrolled Recursion in JSONArray
  • BZ - 2185707 - CVE-2021-46877 jackson-databind: Possible DoS if using JDK serialization to serialize JsonNode
  • BZ - 2209689 - CVE-2023-3223 undertow: OutOfMemoryError due to @MultipartConfig handling

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.