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Red Hat 7.3: RHSA-2019-3045-01 Important Security Fixes for SSO 7.3.4

red hat
Calendar Grey October 14, 2019
Dist Redhat Esm H88
The latest Red Hat Single Sign-On 7.3.4 package release has been designated as Critical. Discover further details regarding security implications and remedial actions.
New Red Hat Single Sign-On 7.3.4 packages are now available for Red Hat Enterprise Linux 7

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

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 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.3.3, 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 security update Red Hat important authentication cross-realm Single Sign-On

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://docs.redhat.com/en/documentation/red_hat_single_sign-on/7.3

Package List

Red Hat Single Sign-On 7.3 for RHEL 7 Server:
Source: rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el7sso.src.rpm rh-sso7-libunix-dbus-java-0.8.0-2.el7sso.src.rpm
noarch: rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el7sso.noarch.rpm rh-sso7-keycloak-server-4.8.13-1.Final_redhat_00001.1.el7sso.noarch.rpm
x86_64: rh-sso7-libunix-dbus-java-0.8.0-2.el7sso.x86_64.rpm rh-sso7-libunix-dbus-java-debuginfo-0.8.0-2.el7sso.x86_64.rpm rh-sso7-libunix-dbus-java-devel-0.8.0-2.el7sso.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3045-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3045
Issue date: 2019-10-14

Topic

New Red Hat Single Sign-On 7.3.4 packages are now available for Red HatEnterprise Linux 7.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 Red Hat important authentication cross-realm Single Sign-On

Relevant Releases Architectures

Red Hat Single Sign-On 7.3 for RHEL 7 Server - noarch, x86_64

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

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

KEYCLOAK-11455 - Tracker bug for the RH-SSO 7.3.4 release for RHEL7

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