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Red Hat Security Advisory

Synopsis: Critical: Red Hat Single Sign-On 7.3.7 security update
Advisory ID: RHSA-2020:0952-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0952
Issue date: 2020-03-23
CVE Names: CVE-2020-1745
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1. Summary:

A security update is now available for Red Hat Single Sign-On 7.3 from the
Customer Portal.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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 7.3 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 asynchronous patch is a security update for the Undertow package in
Red Hat Single Sign-On 7.3.7.

Security Fix(es):

* undertow: AJP File Read/Inclusion Vulnerability (CVE-2020-1745)

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/):

1807305 – CVE-2020-1745 undertow: AJP File Read/Inclusion Vulnerability

5. References:

https://access.redhat.com/security/cve/CVE-2020-1745
https://access.redhat.com/security/updates/classification/#critical
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/

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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