IBM MQ up to 9.1.2 Command Server PCF Message input validation

Summaryinfo

A vulnerability was found in IBM MQ up to 9.1.2. It has been declared as problematic. This issue affects some unknown processing of the component Command Server. The manipulation as part of PCF Message results in input validation. This vulnerability is cataloged as CVE-2019-4378. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in IBM MQ up to 9.1.2. Affected is some unknown processing of the component Command Server. The manipulation as part of a PCF Message leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

IBM MQ 7.5.0.0 - 7.5.0.9, 7.1.0.0 - 7.1.0.9, 8.0.0.0 - 8.0.0.12, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.0 - 9.1.2 command server is vulnerable to a denial of service attack caused by an authenticated and authorized user using specially crafted PCF messages. IBM X-Force ID: 162084.

The weakness was shared 09/26/2019 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability is traded as CVE-2019-4378 since 01/03/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/28/2023). It is expected to see the exploit prices for this product increasing in the near future.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• IBM

Name

• MQ

Version

• 7.1.0.0
• 7.1.0.1
• 7.1.0.2
• 7.1.0.3
• 7.1.0.4
• 7.1.0.5
• 7.1.0.6
• 7.1.0.7
• 7.1.0.8
• 7.1.0.9
• 7.5.0.0
• 7.5.0.1
• 7.5.0.2
• 7.5.0.3
• 7.5.0.4
• 7.5.0.5
• 7.5.0.6
• 7.5.0.7
• 7.5.0.8
• 7.5.0.9
• 8.0.0.0
• 8.0.0.1
• 8.0.0.2
• 8.0.0.3
• 8.0.0.4
• 8.0.0.5
• 8.0.0.6
• 8.0.0.7
• 8.0.0.8
• 8.0.0.9
• 8.0.0.10
• 8.0.0.11
• 8.0.0.12
• 9.0.0.0
• 9.0.0.1
• 9.0.0.2
• 9.0.0.3
• 9.0.0.4
• 9.0.0.5
• 9.0.0.6
• 9.1.0
• 9.1.0.0
• 9.1.0.1
• 9.1.0.2
• 9.1.1
• 9.1.2

License

• commercial

Website

• Vendor: https://www.ibm.com/

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