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Red Hat Security Advisory 2020-5533-01

Red Hat Security Advisory 2020-5533-01
Posted Dec 16, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5533-01 - 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 7.4.4 serves as a replacement for Red Hat Single Sign-On 7.4.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include XML injection and remote SQL injection vulnerabilities.

tags | advisory, remote, web, vulnerability, sql injection
systems | linux, redhat
advisories | CVE-2020-10695, CVE-2020-13822, CVE-2020-25638, CVE-2020-25649, CVE-2020-27826
SHA-256 | eaa87ce50be16945bab184dd40e9a5f620f97137e5c67be852549e6da2954570

Red Hat Security Advisory 2020-5533-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat Single Sign-On 7.4.4 security update
Advisory ID: RHSA-2020:5533-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5533
Issue date: 2020-12-15
CVE Names: CVE-2020-10695 CVE-2020-13822 CVE-2020-25638
CVE-2020-25649 CVE-2020-27826
====================================================================
1. Summary:

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 Important. 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.

2. 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 7.4.4 serves as a replacement for
Red Hat Single Sign-On 7.4.3, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.

Security Fix(es):

* redhat-sso-7-openshift-containers: /etc/passwd is given incorrect
privileges (CVE-2020-10695)
* hibernate-core: SQL injection vulnerability when both
hibernate.use_sql_comments and JPQL String literals are used
(CVE-2020-25638)
* jackson-databind: FasterXML DOMDeserializer insecure entity expansion is
vulnerable to XML external entity (XXE) (CVE-2020-25649)
* keycloak: Account REST API can update user metadata attributes
(CVE-2020-27826)
* keycloak-nodejs-connect: nodejs-elliptic: improper encoding checks allows
a certain degree of signature malleability in ECDSA signatures
(CVE-2020-13822)

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.

3. 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).

4. Bugs fixed (https://bugzilla.redhat.com/):

1817530 - CVE-2020-10695 containers/redhat-sso-7: /etc/passwd is given incorrect privileges
1848647 - CVE-2020-13822 nodejs-elliptic: improper encoding checks allows a certain degree of signature malleability in ECDSA signatures
1881353 - CVE-2020-25638 hibernate-core: SQL injection vulnerability when both hibernate.use_sql_comments and JPQL String literals are used
1887664 - CVE-2020-25649 jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE)
1905089 - CVE-2020-27826 keycloak: Account REST API can update user metadata attributes

5. References:

https://access.redhat.com/security/cve/CVE-2020-10695
https://access.redhat.com/security/cve/CVE-2020-13822
https://access.redhat.com/security/cve/CVE-2020-25638
https://access.redhat.com/security/cve/CVE-2020-25649
https://access.redhat.com/security/cve/CVE-2020-27826
https://access.redhat.com/security/updates/classification/#important

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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