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Red Hat Security Advisory 2020-3497-01

Red Hat Security Advisory 2020-3497-01
Posted Aug 19, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3497-01 - 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 7.4.2 security update on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.4.1, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2020-10758, CVE-2020-1728
MD5 | 4092f7809fe8d90daccc6e1f81e09d7d

Red Hat Security Advisory 2020-3497-01

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

Synopsis: Important: Red Hat Single Sign-On 7.4.2 security update on RHEL 8
Advisory ID: RHSA-2020:3497-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3497
Issue date: 2020-08-18
CVE Names: CVE-2020-1728 CVE-2020-10758
====================================================================
1. Summary:

New Red Hat Single Sign-On 7.4.2 packages are now available for Red Hat
Enterprise Linux 8.

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. Relevant releases/architectures:

Red Hat Single Sign-On 7.4 for RHEL 8 - 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 7.4.2 security update on RHEL 8
serves as a replacement for Red Hat Single Sign-On 7.4.1, and includes bug
fixes and enhancements, which are documented in the Release Notes document
linked to in the References.

Security Fix(es):

* keycloak: DoS by sending multiple simultaneous requests with a
Content-Length header value greater than actual byte count of request body
(CVE-2020-10758)

* keycloak: security headers missing on REST endpoints (CVE-2020-1728)

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/):

1800585 - CVE-2020-1728 keycloak: security headers missing on REST endpoints
1843849 - CVE-2020-10758 keycloak: DoS by sending multiple simultaneous requests with a Content-Length header value greater than actual byte count of request body

6. Package List:

Red Hat Single Sign-On 7.4 for RHEL 8:

Source:
rh-sso7-keycloak-9.0.5-1.redhat_00001.1.el8sso.src.rpm

noarch:
rh-sso7-keycloak-9.0.5-1.redhat_00001.1.el8sso.noarch.rpm
rh-sso7-keycloak-server-9.0.5-1.redhat_00001.1.el8sso.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-2020-1728
https://access.redhat.com/security/cve/CVE-2020-10758
https://access.redhat.com/security/updates/classification/#important

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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