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Friday, May 12 • 16:15 - 17:00
Dangerous Optimizations and the Loss of Causality

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Increasingly, compiler writers are taking advantage of undefined behaviors in the C and C++ programming languages to improve optimizations. Frequently, these optimizations are interfering with the ability of developers to perform cause-effect analysis on their source code, that is, analyzing the dependence of downstream results on prior results. Consequently, these optimizations are eliminating causality in software and are increasing the probability of software faults, defects, and vulnerabilities. This presentation describes some common optimizations, describes how these can lead to software vulnerabilities, and identifies applicable and practical mitigation strategies.

avatar for Robert C. Seacord

Robert C. Seacord

Principal Security Consultant, NCC Group
Robert C. Seacord is a Principal Security Consultant with NCC Group where he works with software developers and software development organizations to eliminate vulnerabilities resulting from coding errors before they are deployed. Previously, Robert led the secure coding initiat... Read More →

Friday May 12, 2017 16:15 - 17:00
Waterfront Center: Hall 2B

Attendees (15)