IBM MQ Remote DoS via Queue Name Length Validation

Executive Summary

This vulnerability in IBM MQ allows a remote attacker with queue manager control or man-in-the-middle access on unencrypted channels to cause a denial of service in client applications using asynchronous message consumption. The issue arises due to improper validation of queue name length values.

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Detection Guidance

This vulnerability is specific to IBM MQ and involves improper queue name length validation. Detection requires checking IBM MQ configurations and logs for unusual queue name lengths or malformed requests. Monitor for client application crashes during asynchronous message consumption. Review IBM MQ error logs for queue-related errors or timeouts.

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Impact Analysis

If exploited, this vulnerability could disrupt client applications that rely on asynchronous message consumption, leading to service interruptions and potential data processing delays.

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Compliance Impact

This vulnerability could impact compliance with GDPR and HIPAA by potentially disrupting the availability of message processing in IBM MQ environments. Denial of service in client applications may lead to unauthorized data access or processing delays, which could violate data integrity and availability requirements under these regulations.

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Mitigation Strategies

Enable encryption for all IBM MQ channels to prevent man-in-the-middle attacks and ensure queue name length values are properly validated.

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