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Red Hat Security Advisory 2017-3220-01

Red Hat Security Advisory 2017-3220-01
Posted Nov 15, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3220-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release of Red Hat JBoss Enterprise Application Platform 6.4.18 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.17, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Security Fix: It was found that while parsing the SAML messages the StaxParserUtil class of Picketlink replaces special strings for obtaining attribute values with system property. This could allow an attacker to determine values of system properties at the attacked system by formatting the SAML request ID field to be the chosen system property which could be obtained in the "InResponseTo" field in the response.

tags | advisory, java
systems | linux, redhat
advisories | CVE-2017-2582
MD5 | 4a55dfe77ffcc2d154d87c7fb6d9506e

Red Hat Security Advisory 2017-3220-01

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

Synopsis: Moderate: Red Hat JBoss Enterprise Application Platform 6.4.18 security update
Advisory ID: RHSA-2017:3220-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3220
Issue date: 2017-11-14
CVE Names: CVE-2017-2582
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Enterprise Application
Platform.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 JBoss Enterprise Application Platform is a platform for Java
applications based on the JBoss Application Server.

This release of Red Hat JBoss Enterprise Application Platform 6.4.18 serves
as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.17,
and includes bug fixes and enhancements, which are documented in the
Release Notes document linked to in the References.

Security Fix(es):

* It was found that while parsing the SAML messages the StaxParserUtil
class of Picketlink replaces special strings for obtaining attribute values
with system property. This could allow an attacker to determine values of
system properties at the attacked system by formatting the SAML request ID
field to be the chosen system property which could be obtained in the
"InResponseTo" field in the response. (CVE-2017-2582)

This issue was discovered by Hynek Mlnarik (Red Hat).

3. Solution:

Before applying this update, back up your existing Red Hat JBoss Enterprise
Application Platform installation and deployed applications.

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/):

1410481 - CVE-2017-2582 picketlink, keycloak: SAML request parser replaces special strings with system properties

5. References:

https://access.redhat.com/security/cve/CVE-2017-2582
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en/jboss-enterprise-application-platform/
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=6.4

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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