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AUSCERT External Security Bulletin Redistribution
Important: jboss-ec2-eap security, bug fix, and enhancement update
3 February 2017
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote/Unauthenticated
Access Confidential Data -- Existing Account
CVE Names: CVE-2016-8656 CVE-2016-8627 CVE-2016-7061
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Red Hat Security Advisory
Synopsis: Important: jboss-ec2-eap security, bug fix, and enhancement update
Advisory ID: RHSA-2017:0250-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0250.html
Issue date: 2017-02-02
CVE Names: CVE-2016-6816 CVE-2016-7061 CVE-2016-8627
An update for jboss-ec2-eap is now available for Red Hat JBoss Enterprise
Application Platform 6.4 for RHEL 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
The jboss-ec2-eap package 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 6.4.12.
* It was discovered that the jboss init script performed unsafe file
handling which could result in local privilege escalation. (CVE-2016-8656)
* It was discovered that the code that parsed the HTTP request line
permitted invalid characters. This could be exploited, in conjunction with
a proxy that also permitted the invalid characters but with a different
interpretation, to inject data into the HTTP response. By manipulating the
HTTP response the attacker could poison a web-cache, perform an XSS attack
and/or obtain sensitive information from requests other then their own.
* An EAP feature to download server log files allows logs to be available
via GET requests making them vulnerable to cross-origin attacks. An
attacker could trigger the user's browser to request the log files
consuming enough resources that normal server functioning could be
* It was discovered that when configuring RBAC and marking information as
sensitive, users with a Monitor role are able to view the sensitive
The CVE-2016-8627 issue was discovered by Darran Lofthouse and Brian
Stansberry (Red Hat).
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:
5. Bugs fixed (https://bugzilla.redhat.com/):
1380852 - CVE-2016-7061 EAP: Sensitive data can be exposed at the server level in domain mode
1388240 - CVE-2016-8627 Potential EAP resource starvation DOS attack via GET requests for server log files
1397484 - CVE-2016-6816 tomcat: HTTP Request smuggling vulnerability due to permitting invalid character in HTTP requests
1400344 - CVE-2016-8656 jboss: jbossas: unsafe chown of server.log in jboss init script allows privilege escalation
6. Package List:
Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc.
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