Modeling the Vulnerability Discovery Process

  • Authors:
  • O. H. Alhazmi;Y. K. Malaiya

  • Affiliations:
  • Colorado State University;Colorado State University

  • Venue:
  • ISSRE '05 Proceedings of the 16th IEEE International Symposium on Software Reliability Engineering
  • Year:
  • 2005

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Abstract

Security vulnerabilities in servers and operating systems are software defects that represent great risks. Both software developers and users are struggling to contain the risk posed by these vulnerabilities. The vulnerabilities are discovered by both developers and external testers throughout the life-span of a software system. A few models for the vulnerability discovery process have just been published recently. Such models will allow effective resource allocation for patch development and are also needed for evaluating the risk of vulnerability exploitation. Here we examine these models for the vulnerability discovery process. The models are examined both analytically and using actual data on vulnerabilities discovered in three widely-used systems. The applicability of the proposed models and significance of the parameters involved are discussed. The limitations of the proposed models are examined and major research challenges are identified.