CVE-2019-4055
First published: Fri 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.
Credit: psirt@us.ibm.com psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM WebSphere MQ Light | >=8.0.0.0<=8.0.0.10 | |
| IBM WebSphere MQ Light | >=9.0.0.0<=9.0.0.5 | |
| IBM WebSphere MQ Light | >=9.1.0<=9.1.1 | |
| IBM WebSphere MQ Light | >=9.1.0.0<=9.1.0.1 | |
| IBM MQ Appliance Firmware | >=8.0.0.0<=8.0.0.10 | |
| IBM MQ Appliance Firmware | >=9.1.0<=9.1.1 | |
| IBM MQ Appliance Firmware | >=9.1.0.0<=9.1.0.1 |
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Reference Links
Frequently Asked Questions
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.
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.
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.
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.
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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- vendor/ibm
- canonical/ibm websphere mq light
- version/ibm websphere mq light/8.0.0.0
- version/ibm websphere mq light/8.0.0.10
- version/ibm websphere mq light/9.0.0.0
- version/ibm websphere mq light/9.0.0.5
- version/ibm websphere mq light/9.1.0
- version/ibm websphere mq light/9.1.1
- version/ibm websphere mq light/9.1.0.0
- version/ibm websphere mq light/9.1.0.1
- canonical/ibm mq appliance firmware
- version/ibm mq appliance firmware/8.0.0.0
- version/ibm mq appliance firmware/8.0.0.10
- version/ibm mq appliance firmware/9.1.0
- version/ibm mq appliance firmware/9.1.1
- version/ibm mq appliance firmware/9.1.0.0
- version/ibm mq appliance firmware/9.1.0.1