Red Hat Product Errata RHSA-2020:4931 - Security Advisory
Issued:
2020-11-04
Updated:
2020-11-04

RHSA-2020:4931 - Security Advisory

Synopsis

Moderate: Red Hat Single Sign-On 7.4.3 security update

Type/Severity

Security Advisory: Moderate

Topic

A security update is now available for Red Hat Single Sign-On 7.4 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 7.4 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 7.4.3 serves as a replacement for Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

  • picketbox: JBoss EAP reload to admin-only mode allows authentication bypass (CVE-2020-14299)
  • wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl (CVE-2020-14338)
  • xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS (CVE-2020-14340)
  • keycloak: user can manage resources with just "view-profile" role using new Account Console (CVE-2020-14389)
  • cxf: JMX integration is vulnerable to a MITM attack (CVE-2020-1954)
  • keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS (CVE-2020-10776)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link (you must log in to download the update).

Affected Products

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

Fixes

  • BZ - 1824301 - CVE-2020-1954 cxf: JMX integration is vulnerable to a MITM attack
  • BZ - 1847428 - CVE-2020-10776 keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS
  • BZ - 1848533 - CVE-2020-14299 picketbox: JBoss EAP reload to admin-only mode allows authentication bypass
  • BZ - 1860054 - CVE-2020-14338 wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl
  • BZ - 1860218 - CVE-2020-14340 xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS
  • BZ - 1875843 - CVE-2020-14389 keycloak: user can manage resources with just "view-profile" role using new Account Console

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