Improving vulnerability discovery models

  • Authors:
  • Andy Ozment

  • Affiliations:
  • MIT Lincoln Laboratory & University of Cambridge, Cambridge, United Kngdm

  • Venue:
  • Proceedings of the 2007 ACM workshop on Quality of protection
  • Year:
  • 2007

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Abstract

Security researchers are applying software reliability models to vulnerability data, in an attempt to model the vulnerability discovery process. I show that most current work on these vulnerability discovery models (VDMs) is theoretically unsound. I propose a standard set of definitions relevant to measuring characteristics of vulnerabilities and their discovery process. I then describe the theoretical requirements of VDMs and highlight the shortcomings of existing work, particularly the assumption that vulnerability discovery is an independent process.