Denial of Service in IBM DataPower Gateway

Executive Summary

This vulnerability is a denial of service issue in IBM DataPower Gateway versions 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2. It occurs due to algorithmic complexity in linked-list traversal, allowing a remote attacker to cause system disruption.

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Detection Guidance

This vulnerability is specific to IBM DataPower Gateway versions 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2. Detection involves checking the installed version of IBM DataPower Gateway on your system. Use the command 'show version' in the DataPower CLI to verify the version. If your version falls within the affected ranges, your system is vulnerable.

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Impact Analysis

The vulnerability could allow a remote attacker to make the IBM DataPower Gateway unresponsive, leading to service outages and degraded performance for users relying on the system.

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Compliance Impact

This vulnerability causes a denial of service due to algorithmic complexity in linked-list traversal, which could disrupt services handling sensitive data. For GDPR, this may impact availability of personal data processing systems, potentially violating Article 32 requirements for resilience. For HIPAA, service disruptions could affect access to protected health information, compromising the integrity and availability requirements under the Security Rule.

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Mitigation Strategies

Update IBM DataPower Gateway to a version beyond the affected range (10.5.0.0-10.5.0.22, 10.6.1-10.6.6, 10.6.0.0-10.6.0.10, 11.0.0.0-11.0.0.2).

Apply patches or fixes provided by IBM for the identified versions.

Monitor network traffic for unusual patterns that may indicate a denial of service attempt.

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