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Red Hat Security Advisory

Synopsis: Important: jboss-ec2-eap security, bug fix, and enhancement update
Advisory ID: RHSA-2018:0275-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0275
Issue date: 2018-02-05
CVE Names: CVE-2017-12174 CVE-2017-12617 CVE-2018-1041
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1. Summary:

An update for jboss-ec2-eap is now available for Red Hat JBoss Enterprise
Application Platform 6.4 for Red Hat Enterprise Linux 6.

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. Relevant releases/architectures:

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server – noarch

3. Description:

The jboss-ec2-eap packages provide scripts for Red Hat JBoss Enterprise
Application Platform running on the Amazon Web Services (AWS) Elastic
Compute Cloud (EC2).

With this update, the jboss-ec2-eap package has been updated to ensure
compatibility with Red Hat JBoss Enterprise Application Platform 6.4.19.

Security Fix(es):

* It was found that when Artemis and HornetQ are configured with UDP
discovery and JGroups discovery a huge byte array is created when receiving
an unexpected multicast message. This may result in a heap memory
exhaustion, full GC, or OutOfMemoryError. (CVE-2017-12174)

* A vulnerability was discovered in Tomcat where if a servlet context was
configured with readonly=false and HTTP PUT requests were allowed, an
attacker could upload a JSP file to that context and achieve code
execution. (CVE-2017-12617)

* A vulnerability was found in the way RemoteMessageChannel, introduced in
jboss-remoting versions 3.3.10.Final-redhat-1, reads from an empty buffer.
An attacker could use this flaw to cause denial of service via high CPU
caused by an infinite loop. (CVE-2018-1041)

The CVE-2017-12174 issue was discovered by Masafumi Miura (Red Hat).

4. Solution:

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

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1494283 – CVE-2017-12617 tomcat: Remote Code Execution bypass for CVE-2017-12615
1498378 – CVE-2017-12174 artemis/hornetq: memory exhaustion via UDP and JGroups discovery
1530457 – CVE-2018-1041 jboss-remoting: High CPU Denial of Service

6. Package List:

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server:

Source:
jboss-ec2-eap-7.5.19-2.Final_redhat_2.ep6.el6.src.rpm

noarch:
jboss-ec2-eap-7.5.19-2.Final_redhat_2.ep6.el6.noarch.rpm
jboss-ec2-eap-samples-7.5.19-2.Final_redhat_2.ep6.el6.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-12174
https://access.redhat.com/security/cve/CVE-2017-12617
https://access.redhat.com/security/cve/CVE-2018-1041
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/

8. 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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