MITRE Adds AI-Related Weaknesses to the CWE Framework

New weaknesses documented in GenAI output validation and adversarial inputs

Willy Leichter

October 22, 2024

MITRE Adds AI-Related Weaknesses to the CWE Framework

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The rise of artificial intelligence (AI) has transformed industries, from automation and decision-making to content generation. But this innovation inevitably introduces new security risks. Recognizing this, MITRE recently updated its Common Weakness Enumeration (CWE) system to include AI-specific vulnerabilities. In the release of CWE-4.15, MITRE added a new AI-related weakness - CWE-1426, and updated CWE-1039 as an AI-related weakness. Following is an overview of these updates along with recommendations on how AppSOCAI can help address these weaknesses.

What Are the Risks?

CWE-1426: Improper Validation of Generative AI Output

Generative AI models can produce various outputs—code, text, images, and decisions. These outputs can introduce errors, biases, or even malicious elements if not properly validated. For instance, if an AI model generates code or instructions without validation, attackers might craft inputs to trigger harmful outputs. This could result in vulnerabilities like backdoors in systems or incorrect configurations.

The risk of biased outputs can be significant. AI models trained on biased data can produce flawed decisions in sensitive areas like hiring or financial transactions. Attackers can exploit this bias to manipulate the system, resulting in unfair or harmful outcomes.

While many organizations trust AI systems with critical security functions, such as detecting intrusions or analyzing logs. If AI models misclassify events or miss important details, attackers can bypass security measures. Without proper validation, the reliance on AI for security decisions could become a weak link in your cybersecurity strategy.

CWE-1039: Automated Recognition Mechanism with Inadequate Detection or Handling of Adversarial Input Perturbations

This weakness highlights vulnerabilities in systems like machine learning algorithms used in tasks such as automated speech and image recognition. It addresses the problem of adversarial attacks, where inputs are subtly altered in a way that causes a system to misclassify data or make incorrect security decisions.

In the context of AI, this update warns that adversaries can exploit gaps in the training of automated recognition mechanisms. For instance, by slightly modifying road signs or input data, an attacker can fool an AI model (such as in autonomous vehicles or security systems) into making incorrect judgments, leading to potential safety or security breaches.

This vulnerability is particularly concerning in security-critical systems where decisions based on classification could grant excessive privileges or cause unintended actions. To mitigate this, AI models need better adversarial training and robust detection mechanisms to prevent such manipulations.

How AppSOC Helps Mitigate AI Risks

As AI becomes integral to more systems, addressing these weaknesses is crucial. AppSOC’s suite of AI security tools offers powerful solutions to protect against these AI-related vulnerabilities. Here’s how:

AI Discovery

AppSOC’s AI Discovery helps organizations identify and understand the AI components integrated into their systems. This visibility is critical because AI models often operate behind the scenes, generating outputs or making decisions without much oversight. By understanding where AI is used, organizations can focus on the most critical areas for security enforcement, addressing risks like CWE-1426 head-on.

AI Security Posture Management

Managing an organization’s overall AI security posture is essential for keeping vulnerabilities in check. AppSOC’s AI Security Posture Management ensures that AI systems follow proper security protocols and governance frameworks. This includes monitoring AI models for potential biases, ensuring that AI-driven workflows comply with established security policies, and reducing the likelihood of CWE-1039 exploits, where AI models deviate from expected behaviors.

AI Model Scanning

Much like scanning traditional software for vulnerabilities, AppSOC’s AI Model Scanning tool examines AI models for weaknesses. This includes identifying issues like improper validation of outputs, biases in decision-making processes, and potential for model poisoning. Regular scanning can detect weaknesses such as CWE-1426 before they are exploited, giving organizations an early warning system for AI-related vulnerabilities.

AI Runtime Defense

Finally, AppSOC’s AI Runtime Defense provides active protection for AI systems in operation. It continuously monitors AI models for signs of adversarial attacks, such as attempts to manipulate inputs or bypass workflows. By defending against attacks in real-time, organizations can mitigate the risks of CWE-1426 and CWE-1039 exploits. Runtime defenses also ensure that AI systems adhere to predefined workflows, preventing unauthorized actions or the escalation of privileges.

Addressing AI Security Holistically

The vulnerabilities outlined in CWE 4.15 illustrate how AI systems can be compromised if not properly secured. From generating flawed outputs to bypassing workflows, the risks are significant. However, with the right tools and practices, these risks can be mitigated. 

AppSOC’s integrated solutions for AI Security and conventional Application Security provide a comprehensive approach to protecting modern applications. By combining proactive scanning, runtime defense, and posture management, and application security testing, organizations can stay ahead of evolving AI threats.

As AI continues to reshape technology landscapes, securing these systems will only become more critical. With the proper tools and a solid understanding of the new CWE standards, organizations can build more resilient and secure AI systems, ensuring they are well-protected against both traditional and emerging threats.