RedHat: RHSA-2019-3050:01 Important: Red Hat Single Sign-On 7.3.4 security
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.
Summary
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).
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://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.3/
Package List
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.
Topic
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://issues.redhat.com/):
KEYCLOAK-11367 - [GSS][7.3.z] Credentials tab on clients can only be displayed with view-realm
