~/talk

Practical Approach to Automate the Discovery & Eradication of Open-Source Software Vulnerabilities

Talkat Black Hat USA 2019 · 2019-08-03..08-08· [security, open-source]
links:none on file
slides:none on file

Netflix builds an automated pipeline that discovers, triages and remediates OSS flaws at microservice scale: it ingests commercial vulnerability feeds and NVD, indexes published artifacts, Debian modules and AMI manifests to map vulnerable versions to container and instance IDs, and applies a risk formula using CVSS, exploit-in-the-wild, application sensitivity and vulnerable method executed signals. Remediation uses minimum-version computation (via unified range), resolution rules, auto-PRs, dependency-lock updates and 90‑day security deprecation cycles, which measurably reduce impacted services over time.

AI-written summary · about

  1. 0:00Intro
  2. 3:16The Benefits of Open Source Software
  3. 5:50Open source security is a strange thing
  4. 9:16Typo squatting
  5. 10:11Package Masking
  6. 11:28Ownership transfer
  7. 12:07Dangling references
  8. 13:10Picking a target for infection
  9. 13:49How dependencies gets infected?
  10. 15:48How can we protect ourselves from supply chain attacks?
  11. 17:34Netflix Microservice Architecture
  12. 18:13Design principles for our approach
  13. 19:22Build open source vulnerability database
  14. 25:55Vulnerability Triage
  15. 27:43Risk Strategy Table - Example 1
  16. 28:58Requirements for effective vulnerability remediation
  17. 29:26Understanding minimum version update problem
  18. 31:08First order dependency problem
  19. 35:57Yarn Selective dependency resolutions - Example
  20. 37:47Dependency lock updates
  21. 38:21Security Change Campaigns
  22. 39:47Security Change Campaign - Blacklist
  23. 42:19Vulnerable method use detection
  24. 43:59Better remediation (slack bot remediation)
  25. 44:41Questions we ask for organizational metrics
  26. 45:53Blackhat sound bytes
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