ESB-2019.1261 - [Appliance] IBM MQ Appliance: Access privileged data - Remote/unauthenticated 2019-04-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1261
         IBM Security Bulletin: IBM MQ Appliance is affected by an
                   OpenSSL vulnerability (CVE-2018-0734)
                               12 April 2019

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

Product:           IBM MQ Appliance
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-0734  

Reference:         ESB-2018.3786
                   ESB-2018.3775
                   ESB-2018.3735
                   ESB-2018.3639

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10792543

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IBM MQ Appliance is affected by an OpenSSL vulnerability (CVE-2018-0734)

Product:             IBM MQ Appliance

Software version:    9.1.0.0, 9.1.0.1, 9.1.1

Operating system(s): Appliance

Reference #:         0792543

Security Bulletin

Summary

IBM MQ Appliance has addressed the following OpenSSL vulnerability.

Vulnerability Details

CVEID: CVE-2018-0734
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive
information, caused by a timing side channel attack in the DSA signature
algorithm. An attacker could exploit this vulnerability using variations in the
signing algorithm to recover the private key.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152085 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Maintenance levels between 9.1.0.0 and 9.1.0.1

IBM MQ Appliance 9.1.x Continuous Delivery (CD) Release
Continuous delivery update9.1.1

Remediation/Fixes

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Apply fix pack 9.1.0.2 , or later

IBM MQ Appliance 9.1.x Continuous Delivery (CD) Release
Apply continuous delivery update 9.1.2 , or later.

Workarounds and Mitigations

None

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

11th April 2019 : Original version published

*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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