Allocation of Resources Without Limits in ASP.NET Core

Executive Summary

This vulnerability is a denial of service issue in ASP.NET Core where an attacker can exploit the lack of resource limits or throttling to exhaust system resources over a network.

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Detection Guidance

Monitor for unusual spikes in ASP.NET Core application resource usage, such as high CPU or memory consumption. Check for repeated requests from the same source that may indicate an attack. Use network monitoring tools to detect abnormal traffic patterns targeting ASP.NET Core endpoints.

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Impact Analysis

An unauthorized attacker could send malicious requests to your ASP.NET Core application, causing it to consume excessive resources and become unresponsive or crash, disrupting service for legitimate users.

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Compliance Impact

This vulnerability allows denial of service attacks, 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, potentially compromising the integrity and availability requirements of the Security Rule.

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Mitigation Strategies

Apply the latest security updates from Microsoft for ASP.NET Core. Implement rate limiting to prevent excessive resource consumption. Review and restrict network access to ASP.NET Core applications where possible.

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