Carnegie Mellon University
2021_003_001_735519.pdf (2.55 MB)

A State-Based Model for Multi-Party Coordinated Vulnerability Disclosure (MPCVD)

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posted on 2022-08-29, 23:14 authored by Allen HouseholderAllen Householder, Jonathan SpringJonathan Spring
Coordinated Vulnerability Disclosure (CVD) stands as a consensus response to the persistent fact of vulnerable software, yet few performance indicators have been proposed to measure its efficacy at the broadest scales. In this report, we seek to fill that gap. We begin by deriving a model of all possible CVD histories from first principles, organizing those histories into a partial ordering based on a set of desired criteria. We then compute a baseline expectation for the frequency of each desired criteria and propose a new set of performance indicators to measure the efficacy of CVD practices based on the differentiation of skill and luck in observation data. As a proof of concept, we apply these indicators to a variety of longitudinal observations of CVD practice and find evidence of significant skill to be prevalent. We conclude with reflections on how this model and its accompanying performance indicators could be used by various stakeholders (vendors, system owners, coordinators, and governments) to interpret the quality of their CVD practices.


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This material is based upon work funded and supported by the Department of Defense under Contract No. FA8702-15-D-0002 with Carnegie Mellon University for the operation of the Software Engineering Institute, a federally funded research and development center. The view, opinions, and/or findings contained in this material are those of the author(s) and should not be construed as an official Government position, policy, or decision, unless designated by other documentation. References herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by Carnegie Mellon University or its Software Engineering Institute. This report was prepared for the SEI Administrative Agent AFLCMC/AZS 5 Eglin Street Hanscom AFB, MA 01731-2100 NO WARRANTY. THIS CARNEGIE MELLON UNIVERSITY AND SOFTWARE ENGINEERING INSTITUTE MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT. [DISTRIBUTION STATEMENT A] This material has been approved for public release and unlimited distribution. Please see Copyright notice for non-US Government use and distribution.



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