BSA-2018-743

Brocade Security Advisory ID

BSA-2018-743

Initial Publication Date

12/19/2018

Last Updated

12/19/2018

Revision

1.0: Initial

Risk Impact

Low

Workaround

Yes

Component

Hard-coded Credentials

Affected CVE

CVE-2018-6443

CVSS Score

9.8

Summary
A vulnerability in Brocade Network Advisor Version Before 14.3.1 could allow an unauthenticated, remote attacker to log in to the JBoss Administration interface of an affected system using an undocumented user credentials and install additional JEE applications.
The vulnerability is due to the presence of an undocumented, user credentials with encrypted default password which is used for server to client messages, 
and access to JBoss Web Console Management.
A remote unauthenticated user who has access to Network Advisor client libraries and able to decrypt the Jboss credentials could gain access to the Jboss web console.

Affected Products
Brocade Network Advisor Version before 14.3.1

Products Confirmed Not Vulnerable
No other Brocade Fibre Channel technology products from Broadcom are currently known to be affected by this vulnerability.

Solution
Security updates for the issue described in this advisory are provided in Brocade Network Advisor Version 14.3.1.
The patch releases have been posted to the MyBrocade web portal.

Further steps
Brocade recommends to also secure JMX console access by denying inbound access to the port on the host.
JMX console runs on 24604 (in default configuration) or the 5th port from Jboss start port user configured during installation.

Recommended Action
Brocade recommends that all customers running the impacted version(s) install supported Brocade Network Advisor versions and and block JMX Console access.

Credits:
Brocade is grateful to Jakub Palaczynski and Hans-Martin Münch from MOGWAI LABS GmbH for reporting the issue.
 

Revision History

Version Change Date
1.0 Initial Publication December 19, 2018

Disclaimer

THIS DOCUMENT IS PROVIDED ON AN AS-IS BASIS SOLELY FOR INFORMATIONAL PURPOSES AND DOES NOT IMPLY ANY KIND OF GUARANTY OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. YOUR USE OF THE INFORMATION CONTAINED HEREIN IS AT YOUR OWN RISK. ALL INFORMATION PROVIDED HEREIN IS BASED ON BROCADE'S CURRENT KNOWLEDGE AND UNDERSTANDING OF THE VULNERABILITY AND IMPACT TO BROCADE HARDWARE AND SOFTWARE PRODUCTS. BROCADE RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.