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Red Hat Security Advisory 2017-2633-01

Red Hat Security Advisory 2017-2633-01
Posted Sep 5, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2633-01 - 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 6.4.17 serves as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.16, 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 when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application.

tags | advisory, java, remote, arbitrary, udp, tcp
systems | linux, redhat
advisories | CVE-2017-5645, CVE-2017-5664, CVE-2017-7525
MD5 | 07deb55d27eb7d0920fc1ca4368de398

Red Hat Security Advisory 2017-2633-01

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

Synopsis: Important: Red Hat JBoss Enterprise Application Platform 6.4.17 update
Advisory ID: RHSA-2017:2633-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2633
Issue date: 2017-09-05
CVE Names: CVE-2017-5645 CVE-2017-5664 CVE-2017-7525
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Enterprise Application
Platform 6.4.

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 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 6.4.17 serves
as a replacement for Red Hat JBoss Enterprise Application Platform 6.4.16,
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 when using remote logging with log4j socket server the
log4j server would deserialize any log event received via TCP or UDP. An
attacker could use this flaw to send a specially crafted log event that,
during deserialization, would execute arbitrary code in the context of the
logger application. (CVE-2017-5645)

* A vulnerability was discovered in the error page mechanism in Tomcat's
DefaultServlet implementation. A crafted HTTP request could cause undesired
side effects, possibly including the removal or replacement of the custom
error page. (CVE-2017-5664)

* A deserialization flaw was discovered in the jackson-databind which could
allow an unauthenticated user to perform code execution by sending the
maliciously crafted input to the readValue method of the ObjectMapper.
(CVE-2017-7525)

Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting
CVE-2017-7525.

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/):

1443635 - CVE-2017-5645 log4j: Socket receiver deserialization vulnerability
1459158 - CVE-2017-5664 tomcat: Security constrained bypass in error page mechanism
1462702 - CVE-2017-7525 jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper

5. References:

https://access.redhat.com/security/cve/CVE-2017-5645
https://access.redhat.com/security/cve/CVE-2017-5664
https://access.redhat.com/security/cve/CVE-2017-7525
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform?version=6.4/
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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