(Red Hat Issues Fix for Red Hat Single Sign-On) Red Hat JBoss EAP XML Deserialization Flaw in SLF4J Component Lets Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID: 1040834|
SecurityTracker URL: http://securitytracker.com/id/1040834
(Links to External Site)
Date: May 4 2018
Execution of arbitrary code via network, User access via network|
Fix Available: Yes Vendor Confirmed: Yes |
A vulnerability was reported in Red Hat JBoss Enterprise Application Platform (EAP). A remote user can execute arbitrary code on the target system. Red Hat Single Sign-On is affected.|
A remote user can send specially crafted XML data to trigger a deserialization error in the Simple Logging Facade for Java (SLF4J) EventData constructor and execute arbitrary code on the target system.
Chris McCown reported this vulnerability.
A remote user can execute arbitrary code on the target system.|
Red Hat has issued a fix for Red Hat Single Sign-On.|
The Red Hat advisory is available at:
Vendor URL: access.redhat.com/errata/RHSA-2018:1323 (Links to External Site)
|Underlying OS: Linux (Red Hat Enterprise)|
|Underlying OS Comments: 5, 6, 7|
This archive entry is a follow-up to the message listed below.|
Source Message Contents
Subject: [RHSA-2018:1323-01] Important: Red Hat Single Sign-On 7.2.2 security update|
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Red Hat Security Advisory
Synopsis: Important: Red Hat Single Sign-On 7.2.2 security update
Advisory ID: RHSA-2018:1323-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1323
Issue date: 2018-05-04
CVE Names: CVE-2018-8088
Red Hat Single Sign-On 7.2.2 is now available for download from the
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.
Red Hat Single Sign-On 7.2 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 7.2.2 serves as a replacement for
Red Hat Single Sign-On 7.2.1, and includes several bug fixes and
enhancements. For further information, refer to the Release Notes linked to
in the References section.
* slf4j: Deserialisation vulnerability in EventData constructor can allow
for arbitrary code execution (CVE-2018-8088)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Red Hat would like to thank Chris McCown for reporting this issue.
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
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/):
1548909 - CVE-2018-8088 slf4j: Deserialisation vulnerability in EventData constructor can allow for arbitrary code execution
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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