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Red Hat Single Sign-On 7.4.3 Update RHSA-2020:4931-01 Moderate DoS Risks

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
Essential security patch for Red Hat SSO 7.4.3 to resolve several vulnerabilities and bolster defense mechanisms.
A security update is now available for Red Hat Single Sign-On 7.4 from the Customer Portal

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).

Summary

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.

Topics%20covered

Topics Covered

security advisory security update DoS authentication Moderate MITM attack Red Hat Single Sign-On

References

https://access.redhat.com/security/cve/CVE-2020-1954 https://access.redhat.com/security/cve/CVE-2020-10776 https://access.redhat.com/security/cve/CVE-2020-14299 https://access.redhat.com/security/cve/CVE-2020-14338 https://access.redhat.com/security/cve/CVE-2020-14340 https://access.redhat.com/security/cve/CVE-2020-14389 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4 https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:4931-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4931
Issue date: 2020-11-04

Topic

A security update is now available for Red Hat Single Sign-On 7.4 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 security update DoS authentication Moderate MITM attack Red Hat Single Sign-On

Relevant Releases Architectures

Bugs Fixed

1824301 - CVE-2020-1954 cxf: JMX integration is vulnerable to a MITM attack

1847428 - CVE-2020-10776 keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS

1848533 - CVE-2020-14299 picketbox: JBoss EAP reload to admin-only mode allows authentication bypass

1860054 - CVE-2020-14338 wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl

1860218 - CVE-2020-14340 xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS

1875843 - CVE-2020-14389 keycloak: user can manage resources with just "view-profile" role using new Account Console

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