Google Online Security Blog: Leveling Up Fuzzing: Finding more vulnerabilities with AI

Source URL: http://security.googleblog.com/2024/11/leveling-up-fuzzing-finding-more.html
Source: Google Online Security Blog
Title: Leveling Up Fuzzing: Finding more vulnerabilities with AI

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AI Summary and Description: Yes

**Summary:** The text discusses significant advancements in automated vulnerability discovery utilizing AI, specifically highlighting the OSS-Fuzz project’s recent successes with AI-powered fuzzing, which led to the identification of critical vulnerabilities, including one in the OpenSSL library. This approach marks a milestone in integrating large language models (LLMs) into security practices.

**Detailed Description:**
– **Key Developments:**
– OSS-Fuzz reported 26 new vulnerabilities, including a crucial one in OpenSSL (CVE-2024-9143).
– These vulnerabilities were discovered through innovative use of AI-generated fuzz targets, showcasing the potential of LLMs in security contexts.

– **Significance of AI-Powered Fuzzing:**
– This reflects a pivotal moment in automated vulnerability discovery, suggesting that LLMs can enhance the efficiency of finding software vulnerabilities.
– The OpenSSL vulnerability represents a notable case as it’s one of the first major security flaws identified by LLMs.

– **Goals of the Project:**
– The main aim is to automate the fuzz target development process entirely, which typically involves multiple manual steps:
– Drafting initial fuzz targets.
– Resolving compilation errors.
– Running fuzz targets and addressing runtime issues.
– Triaging crashes.
– Identifying and fixing vulnerabilities.

– **Results Achieved:**
– The initiative has expanded coverage within OSS-Fuzz from 160 to 272 C/C++ projects, uncovering an additional 370k+ lines of code coverage and leading to new vulnerability discoveries.
– The improvements in fuzzing workflows illustrate the potential for LLMs to emulate and enhance developer processes.

– **New Techniques Implemented:**
– Contextual prompts were enhanced to prevent the AI from producing irrelevant outputs, increasing the quality of fuzz targets generated by the LLM.
– The inclusion of comprehensive project details in prompts, such as definitions and references, cultivates better AI-generated suggestions.

– **Future Directions:**
– The focus is on refining automated triaging to reduce human involvement in vulnerability reporting.
– Integrating LLM capabilities with real-time tools such as debuggers to enhance accuracy in vulnerability assessment and fixing processes.
– Continuing collaboration with researchers to advance AI’s role in vulnerability discovery.

This narrative indicates a transformative shift in software security practices, where AI plays an increasingly vital role in identifying and mitigating vulnerabilities, opening avenues for further enhancements in cyber defense strategies. Security professionals should seek to understand and potentially implement AI-driven methodologies in their own vulnerability management and security testing processes.