CVE-2019-4055: High severity ibm websphere mq light vulnerability

Published Apr 19, 2019
·
Updated

IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.

Affected Software

7 affected components
IBM MQ>=8.0.0.0<=8.0.0.10
IBM MQ>=9.0.0.0<=9.0.0.5
IBM MQ>=9.1.0<=9.1.1
IBM MQ>=9.1.0.0<=9.1.0.1
IBM MQ Appliance>=8.0.0.0<=8.0.0.10
IBM MQ Appliance>=9.1.0<=9.1.1
IBM MQ Appliance>=9.1.0.0<=9.1.0.1

Event History

Apr 19, 2019
CVE Published
via MITRE·04:20 PM
Data Sourced
via MITRE·04:20 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:29 PM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2019-4055?

CVE-2019-4055 has been rated as a high severity issue due to its potential for impacting system availability through denial of service attacks.

2

How do I fix CVE-2019-4055?

To mitigate CVE-2019-4055, it is recommended to update IBM MQ to a fixed version that addresses this vulnerability.

3

Which versions of IBM MQ are affected by CVE-2019-4055?

CVE-2019-4055 affects IBM MQ versions 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1.

4

Is there a workaround for CVE-2019-4055?

Currently, there are no specific workarounds provided for mitigating CVE-2019-4055 aside from upgrading to patched versions.

5

What is the nature of the vulnerability in CVE-2019-4055?

CVE-2019-4055 is a denial of service vulnerability that occurs during the TLS key renegotiation process.

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