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Security Bulletin: IBM MQ AMQP Listeners are vulnerable to a session fixation attack (CVE-2019-4227)

Security Bulletin


Summary

An error was found in the IBM MQ AMQP logic that could result in a session fixation attack.

Vulnerability Details

CVEID: CVE-2019-4227
DESCRIPTION: IBM MQ AMQP Listeners could allow an unauthorized user to conduct a session fixation attack because of improper handling of client disconnection.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/159352 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:L/A:L)

Affected Products and Versions

IBM MQ V8
versions 8.0.0.4 - 8.0.0.12
 
IBM MQ V9.0LTS
versions 9.0.0.0 - 9.0.0.6
IBM MQ V9.1 LTS
versions 9.1.0.0 - 9.1.0.2
 
IBM MQ V9.1 CD
versions 9.1.0 - 9.1.2

Remediation/Fixes

 
IBM MQ V9.0LTS
IBM MQ V9.1 LTS
 
IBM MQ V9.1 CD

Workarounds and Mitigations

None.

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References

Off

Change History

11 September 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

Advisory: 15659
Product Record: 133571

Document Location

Worldwide

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Document Information

Modified date:
25 September 2019

UID

ibm10886899