Red Hat Product Errata RHSA-2021:0974 - Security Advisory
Issued:
2021-03-23
Updated:
2021-03-23

RHSA-2021:0974 - Security Advisory

Synopsis

Moderate: Red Hat Single Sign-On 7.4.6 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 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 7.4 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 7.4.6 serves as a replacement for Red Hat Single Sign-On 7.4.5, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

  • bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible (CVE-2020-28052)
  • nodejs-angular: XSS due to regex-based HTML replacement (CVE-2020-7676)
  • jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client (CVE-2020-35510)
  • undertow: Possible regression in fix for CVE-2020-10687 (CVE-2021-20220)
  • wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client (CVE-2021-20250)
  • guava: local information disclosure via temporary directory created with unsafe permissions (CVE-2020-8908)
  • keycloak: reusable "state" parameter at redirect_uri endpoint enables possibility of replay attacks (CVE-2020-14302)

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 - 1849206 - CVE-2020-7676 nodejs-angular: XSS due to regex-based HTML replacement
  • BZ - 1849584 - CVE-2020-14302 keycloak: reusable "state" parameter at redirect_uri endpoint enables possibility of replay attacks
  • BZ - 1905796 - CVE-2020-35510 jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client
  • BZ - 1906919 - CVE-2020-8908 guava: local information disclosure via temporary directory created with unsafe permissions
  • BZ - 1912881 - CVE-2020-28052 bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible
  • BZ - 1923133 - CVE-2021-20220 undertow: Possible regression in fix for CVE-2020-10687
  • BZ - 1929479 - CVE-2021-20250 wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.