Explore three dangerous cache side channel attacks - Flush + Reload, Evict + Reload, and Prime + Probe - in this 56-minute Black Hat conference presentation. Delve into their characteristics, applicability, and potential impact on everyday software. Examine real-world examples of privacy violations through these attacks. Learn about attack comparisons, AES key recovery across VMS, browser JavaScript vulnerabilities, and smartphone application risks. Discover countermeasures such as designing cache leakage-free code, page coloring, and cache allocation technology. Gain key insights into attack feasibility trends, cache architecture, and the importance of securing trust execution environments.
Cache Side Channel Attack - Exploitability and Countermeasures
Overview
Syllabus
Intro
Feasibility Trend
Cache Architecture
Flush Reload Attack
Evict + Reload Attack Summary
Prime + Probe Attack Summary
How to retrieve information?
Attack Comparison
Demo: AES Key Recovery Across VMS
Browser Javascript
Smart Phone Applications
Trust Execution Environment
Design Cache Leakage Free Code
Page Coloring
Cache Allocation Technology
Behavior Detection
Countermeasure Comparison (Requirements)
Countermeasure Comparison (Coverage)
Key Takeaways
Taught by
Black Hat
