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Red Hat Security Advisory 2020-4929-01

Red Hat Security Advisory 2020-4929-01
Posted Nov 5, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4929-01 - 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 7.4.3 security update on RHEL 6 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. Issues addressed include a cross site scripting vulnerability.

tags | advisory, web, xss
systems | linux, redhat
advisories | CVE-2020-10776, CVE-2020-14389
MD5 | ec3d5c365319b520c12a91fedb93c25c

Red Hat Security Advisory 2020-4929-01

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

Synopsis: Moderate: Red Hat Single Sign-On 7.4.3 security update on RHEL 6
Advisory ID: RHSA-2020:4929-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4929
Issue date: 2020-11-04
CVE Names: CVE-2020-10776 CVE-2020-14389
====================================================================
1. Summary:

New Red Hat Single Sign-On 7.4.3 packages are now available for Red Hat
Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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. Relevant releases/architectures:

Red Hat Single Sign-On 7.4 for RHEL 6 Server - noarch

3. 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 7.4.3 security update on RHEL 6
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):

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

* 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, and other related information, refer to the CVE page(s) listed in
the References section.

4. 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

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

1847428 - CVE-2020-10776 keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS
1875843 - CVE-2020-14389 keycloak: user can manage resources with just "view-profile" role using new Account Console

6. Package List:

Red Hat Single Sign-On 7.4 for RHEL 6 Server:

Source:
rh-sso7-keycloak-9.0.9-1.redhat_00001.1.el6sso.src.rpm

noarch:
rh-sso7-keycloak-9.0.9-1.redhat_00001.1.el6sso.noarch.rpm
rh-sso7-keycloak-server-9.0.9-1.redhat_00001.1.el6sso.noarch.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/

7. References:

https://access.redhat.com/security/cve/CVE-2020-10776
https://access.redhat.com/security/cve/CVE-2020-14389
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/

8. 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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