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Fuzzing File System Implementations to Uncover Security Bugs

Hack In The Box Security Conference via YouTube

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This course presents methods for evaluating the robustness of BSD file systems through fuzz testing. It covers attack-surface reduction, test-case mutation, user emulation, monitoring, and automation for finding kernel implementation vulnerabilities.

Syllabus

Introduction
Outline
Why Fuzzing
Why BSD
File System Structure
Why Not Use LAX
First Test Case
Mutation
Metadata
Observations
User Emulation
User Emulation Commands
ZFS
Monitoring
Verification
Core Features
Results
Findings
Boot Times
Netdom
Lip OS
Conclusions
Demo

Taught by

Hack In The Box Security Conference

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