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Red Hat: RHSA-2019-3050-01 Important: Single Sign-On Security Update

red hat
Calendar Grey October 14, 2019
Dist Redhat Esm H88
Important security patch for Red Hat Single Sign-On version 7.3.4 addressing multiple vulnerabilities such as unauthorized access and information exposure.
A security update is now available for Red Hat Single Sign-On 7.3 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 7.3 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 7.3.4 serves as a replacement for Red Hat Single Sign-On 7.2.6, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* keycloak: cross-realm user access auth bypass (CVE-2019-14832)
* keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)
* jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server via crafted JSON message (CVE-2019-12814)
* jackson-databind: default typing mishandling leading to remote code execution (CVE-2019-14379)
* jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server (CVE-2019-12086)
* undertow: Information leak in requests for directories without trailing slashes (CVE-2019-10184)
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.

Topics%20covered

Topics Covered

security advisory information leak important authentication red hat single sign-on cross-realm access

References

https://access.redhat.com/security/cve/CVE-2019-10184 https://access.redhat.com/security/cve/CVE-2019-12086 https://access.redhat.com/security/cve/CVE-2019-12814 https://access.redhat.com/security/cve/CVE-2019-14379 https://access.redhat.com/security/cve/CVE-2019-14820 https://access.redhat.com/security/cve/CVE-2019-14832 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.3 https://docs.redhat.com/en/documentation/red_hat_single_sign-on/7.3

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3050-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3050
Issue date: 2019-10-14

Topic

A security update is now available for Red Hat Single Sign-On 7.3 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 information leak important authentication red hat single sign-on cross-realm access

Relevant Releases Architectures

Bugs Fixed

1649870 - CVE-2019-14820 keycloak: adapter endpoints are exposed via arbitrary URLs

1713068 - CVE-2019-10184 undertow: Information leak in requests for directories without trailing slashes

1713468 - CVE-2019-12086 jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server.

1725795 - CVE-2019-12814 jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server via crafted JSON message.

1737517 - CVE-2019-14379 jackson-databind: default typing mishandling leading to remote code execution

1749487 - CVE-2019-14832 keycloak: cross-realm user access auth bypass

5. JIRA issues fixed (https://redhat.atlassian.net/jira/projects):

KEYCLOAK-11367 - [GSS][7.3.z] Credentials tab on clients can only be displayed with view-realm

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