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AUSCERT External Security Bulletin Redistribution
ESB-2018.1386
Important: Red Hat Single Sign-On 7.2.2 security update
7 May 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat Single Sign-On 7.2.2
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-8088
Reference: ESB-2018.1289
ESB-2018.0983
Original Bulletin:
https://access.redhat.com/errata/RHSA-2018:1323
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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
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1. Summary:
Red Hat Single Sign-On 7.2.2 is now available for download 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 7.2 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.
Security Fix(es):
* 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.
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/):
1548909 - CVE-2018-8088 slf4j: Deserialisation vulnerability in EventData constructor can allow for arbitrary code execution
5. References:
https://access.redhat.com/security/cve/CVE-2018-8088
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=core.service.rhsso&version=7.2
https://access.redhat.com/documentation/en-us/red_hat_single_sign_on/?version=7.2
6. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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