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Security Bulletin: IBM MQ Appliance is affected by an OpenSSL vulnerability (CVE-2019-1559)

Security Bulletin


Summary

IBM MQ Appliance has addressed the following OpenSSL vulnerability.

Vulnerability Details

CVEID: CVE-2019-1559
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by the failure to immediately close the TCP connection after the hosts encounter a zero-length record with valid padding. An attacker could exploit this vulnerability using a 0-byte record padding-oracle attack to decrypt traffic.
CVSS Base Score: 5.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157514 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

IBM MQ Appliance 8
Maintenance levels between 8.0.0.0 and 8.0.0.11

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Maintenance levels between 9.1.0.0 and 9.1.0.2

IBM MQ Appliance 9.1.x Continuous Delivery (CD) Release
Continuous delivery updates 9.1.1 and 9.1.2

Remediation/Fixes

IBM MQ Appliance 8
Apply fix pack 8.0.0.12, or later.

IBM MQ Appliance version 9.1 LTS
Apply fix pack 9.1.0.3, or later.
IBM MQ Appliance version 9.1 CD
Apply continuous delivery release 9.1.3, or later.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

1 August 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.

Internal Use Only

PSIRT advisory : 15311
PSIRT product record : 131189

Document Location

Worldwide

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Document Information

Modified date:
02 August 2019

UID

ibm10879065