Moderate: Red Hat Single Sign-On 7.6.6 security update

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 Moderate. 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 7.6.6 serves as a replacement for Red Hat Single Sign-On 7.6.5, and includes bug fixes and enhancements.

Security Fix(es):

• open redirect via "form_post.jwt" JARM response mode (CVE-2023-6927)

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 - 2255027 - CVE-2023-6927 keycloak: open redirect via "form_post.jwt" JARM response mode

CVEs

• CVE-2023-6927

References

• https://access.redhat.com/security/updates/classification/#moderate