~/talk

Man-in-the-Machine: Exploiting Ill-Secured Communication Inside the Computer

Talkat USENIX Security '18 · on Friday, 2018-08-17· at 14:45· Grand Ballroom 5· [security]
name:Thanh Bui
links:none on file
slides:none on file

An unprivileged co‑user process impersonates IPC endpoints on Windows, macOS and Linux and intercepts sensitive data by binding to localhost sockets, named pipes or USB HID endpoints. RoboForm’s HTTP server responds to any client so RoboForm unprotected IPC lets an attacker pull the full password database; onepassword’s flawed key‑exchange allows WebSocket server impersonation and form‑capture; proxying USB U2F challenges achieves a 100% success rate against tested services (Facebook, GitHub). Vendors are notified; most issues are patched.

AI-written summary · about

  1. 0:00Intro
  2. 0:30Traditional network threat model
  3. 1:06Our focus: Inter-process communication (IPC)
  4. 2:06Man-in-the-Machine (Mitma)
  5. 5:10What makes IPC vulnerable
  6. 7:08Standalone password managers
  7. 8:34Client impersonation on RoboForm
  8. 11:35Server impersonation on 1Password
  9. 12:32FIDO U2F security key
  10. 14:02Unauthorized access of FIDO U2F key
  11. 16:58Mitigation
  12. 18:13Conclusion
  13. 19:411Password - Key derivation protocol
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