ESB-2017.2580 - [RedHat] Red Hat JBoss BRMS 6.4.6: Multiple vulnerabilities 2017-10-13

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2580
            Important: Red Hat JBoss BRMS 6.4.6 security update
                              13 October 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Red Hat JBoss BRMS 6.4.6
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-2017-7957 CVE-2017-5645 

Reference:         ESB-2017.2564
                   ESB-2017.2462.2
                   ESB-2017.2438
                   ESB-2017.2356

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2017:2888
   https://access.redhat.com/errata/RHSA-2017:2889

Comment: This bulletin contains two (2) Red Hat security advisories.

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                   Red Hat Security Advisory

Synopsis:          Important: Red Hat JBoss BRMS 6.4.6 security update
Advisory ID:       RHSA-2017:2888-01
Product:           Red Hat JBoss BRMS
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2888
Issue date:        2017-10-12
CVE Names:         CVE-2017-5645 CVE-2017-7957 
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss BRMS.

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 BRMS is a business rules management system for the
management, storage, creation, modification, and deployment of JBoss Rules.

This release of Red Hat JBoss BRMS 6.4.6 serves as a replacement for Red
Hat JBoss BRMS 6.4.5, 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)

* It was found that XStream contains a vulnerability that allows a
maliciously crafted file to be parsed successfully which could cause an
application crash. The crash occurs if the file that is being fed into
XStream input stream contains an instances of the primitive type 'void'. An
attacker could use this flaw to create a denial of service on the target
system. (CVE-2017-7957)

3. Solution:

Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.

It is recommended to halt the server by stopping the JBoss Application
Server process before installing this update; after installing the update,
restart the server by starting the JBoss Application Server process.

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/):

1441538 - CVE-2017-7957 XStream: DoS when unmarshalling void type
1443635 - CVE-2017-5645 log4j: Socket receiver deserialization vulnerability

5. References:

https://access.redhat.com/security/cve/CVE-2017-5645
https://access.redhat.com/security/cve/CVE-2017-7957
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=6.4
https://access.redhat.com/documentation/en/red-hat-jboss-brms/

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

Synopsis:          Important: Red Hat JBoss BPM Suite 6.4.6 security update
Advisory ID:       RHSA-2017:2889-01
Product:           Red Hat JBoss BPM Suite
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2889
Issue date:        2017-10-12
CVE Names:         CVE-2017-5645 CVE-2017-7957 
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss BPM Suite.

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 BPM Suite is a business rules and processes management system
for the management, storage, creation, modification, and deployment of
JBoss rules and BPMN2-compliant business processes.

This release of Red Hat JBoss BPM Suite 6.4.6 serves as a replacement for
Red Hat JBoss BPM Suite 6.4.5, 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)

* It was found that XStream contains a vulnerability that allows a
maliciously crafted file to be parsed successfully which could cause an
application crash. The crash occurs if the file that is being fed into
XStream input stream contains an instances of the primitive type 'void'. An
attacker could use this flaw to create a denial of service on the target
system. (CVE-2017-7957)

3. Solution:

Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.

It is recommended to halt the server by stopping the JBoss Application
Server process before installing this update; after installing the update,
restart the server by starting the JBoss Application Server process.

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/):

1441538 - CVE-2017-7957 XStream: DoS when unmarshalling void type
1443635 - CVE-2017-5645 log4j: Socket receiver deserialization vulnerability

5. References:

https://access.redhat.com/security/cve/CVE-2017-5645
https://access.redhat.com/security/cve/CVE-2017-7957
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=bpm.suite&downloadType=securityPatches&version=6.4
https://access.redhat.com/documentation/en/red-hat-jboss-bpm-suite/

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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