Containerization has emerged as a revolutionary technology in the software development and deployment industry. Containers offer a portable and lightweight solution that allows for packaging applications and their dependencies systematically and efficiently. In addition, containers offer faster deployment and near-native performance with isolation and security drawbacks compared to Virtual Machines. To address the security issues, scanning tools that scan containers for preexisting vulnerabilities have been developed, but they suffer from false positives. Moreover, using different scanning tools to scan the same container provides different results, which leads to inconsistencies and confusion. Limited work has been done to address these issues. This paper provides a fully functional and extensible framework named LUCID that can reduce false positives and inconsistencies provided by multiple scanning tools. We use a database-centric approach and perform query-based analysis, to pinpoint the causes for inconsistencies. Our results show that our framework can reduce inconsistencies by 70%. The framework has been tested on both Intel64/AMD64 and ARM architecture. We also create a Dynamic Classification component that can successfully classify and predict the different severity levels with an accuracy of 84%. We believe this paper will raise awareness regarding security in container technologies and enable container scanning companies to improve their tool to provide better and more consistent results.

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