In-Vehicle Security Vulnerability Classification and Prioritization
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Solution Overview
Problem
Existing vulnerability evaluation systems lack accuracy in assessing vulnerabilities specific to in-vehicle security, leading to inadequate prioritization and mitigation of security threats in vehicles.
Innovation Solution
A vulnerability analysis system that includes classification storage for in-vehicle security types, an applicability determiner to identify applicable vulnerabilities, and a priority deriver to derive response priorities based on impact, actual vulnerabilities, and attack paths, enhancing the accuracy and effectiveness of vulnerability analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a general vulnerability evaluation system is used, then the system can assess vulnerabilities broadly, but the accuracy for in-vehicle security-specific vulnerabilities deteriorates
Solution Approach 1:
The vulnerability assessment system is segmented into multiple classification categories including in-vehicle security-specific types. The classification storage stores classification information that divides vulnerabilities into distinct types, allowing the system to apply specialized assessment criteria for in-vehicle security while maintaining broader vulnerability coverage through other classification categories.
Solution Approach 2:
The system applies different assessment qualities to different vulnerability types. Specifically, in-vehicle security vulnerabilities receive specialized assessment treatment through dedicated classification information and applicability determination rules, while other vulnerability types are assessed using general criteria, ensuring each type receives appropriate evaluation precision.
2Reliability
If multiple vulnerabilities are assessed simultaneously, then comprehensive security coverage is improved, but the prioritization and response effectiveness deteriorates
Solution Approach 1:
The system performs preliminary classification and applicability determination for each vulnerability before final assessment. The classification identifier preliminarily categorizes vulnerabilities and determines their applicability to the analysis target item, establishing a foundation for subsequent prioritization and response actions, thus managing multiple vulnerabilities systematically.
Solution Approach 2:
The system changes assessment parameters based on vulnerability type and applicability. Different classification categories trigger different assessment parameters and criteria, allowing the system to efficiently prioritize responses by adjusting which parameters are evaluated most heavily for each vulnerability type, thereby maintaining productivity while assessing comprehensive security coverage.
Data Source
AI summary
A vulnerability analysis system includes classification storage that stores classification information indicating types of assets included in a vehicle on an asset-by-asset basis; a classification identifier that obtains design information indicating an asset included in an analysis target item, and refers to the classification information to identify a type of the asset indicated in the design information; an applicability determiner that determines whether each of one or more first vulnerabilities preliminarily associated with the type identified is applicable to the analysis target item; and an outputter that outputs an analysis result report indicating a determination result obtained by the applicability determiner. The types indicated in the classification information include one or more in-vehicle security-related types.