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Red Hat Security Advisory
Synopsis: Important: Red Hat Single Sign-On 7.2.4 security update
Advisory ID: RHSA-2018:2428-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2428
Issue date: 2018-08-15
CVE Names: CVE-2017-12624 CVE-2018-8039 CVE-2018-10237
CVE-2018-10862 CVE-2018-10912 CVE-2018-1000180
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1. Summary:
A security update is now available for Red Hat Single Sign-On 7.2 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 7.2.4 serves as a replacement for
Red Hat Single Sign-On 7.2.3, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.
Security Fix(es):
* guava: Unbounded memory allocation in AtomicDoubleArray and
CompoundOrdering classes allow remote attackers to cause a denial of
service (CVE-2018-10237)
* bouncycastle: flaw in the low-level interface to RSA key pair generator
(CVE-2018-1000180)
* cxf: Improper size validation in message attachment header for JAX-WS and
JAX-RS services (CVE-2017-12624)
* wildfly: wildfly-core: Path traversal can allow the extraction of .war
archives to write arbitrary files (CVE-2018-10862)
* cxf-core: apache-cxf: TLS hostname verification does not work correctly
with com.sun.net.ssl.* (CVE-2018-8039)
* keycloak: infinite loop in session replacement leading to denial of
service (CVE-2018-10912)
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/):
1515976 – CVE-2017-12624 cxf: Improper size validation in message attachment header for JAX-WS and JAX-RS services
1573391 – CVE-2018-10237 guava: Unbounded memory allocation in AtomicDoubleArray and CompoundOrdering classes allow remote attackers to cause a denial of service
1588306 – CVE-2018-1000180 bouncycastle: flaw in the low-level interface to RSA key pair generator
1593527 – CVE-2018-10862 wildfly-core: Path traversal can allow the extraction of .war archives to write arbitrary files (Zip Slip)
1595332 – CVE-2018-8039 apache-cxf: TLS hostname verification does not work correctly with com.sun.net.ssl.*
1607624 – CVE-2018-10912 keycloak: infinite loop in session replacement leading to denial of service
5. JIRA issues fixed (https://issues.jboss.org/):
RHSSO-1429 – CVE-2018-10912 [7.2.z] Replace command might fail and cause endless loop when cache owners >= 2
6. References:
https://access.redhat.com/security/cve/CVE-2017-12624
https://access.redhat.com/security/cve/CVE-2018-8039
https://access.redhat.com/security/cve/CVE-2018-10237
https://access.redhat.com/security/cve/CVE-2018-10862
https://access.redhat.com/security/cve/CVE-2018-10912
https://access.redhat.com/security/cve/CVE-2018-1000180
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
7. 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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