BSides Munich

Transcript

1. Mike West, @mikewest, mkwst@google.com https://goo.gl/F0o9kR Hardening the Web Platform

2. Slides: https://goo.gl/F0o9kR

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6. https://goo.gl/MycPb7

7. "Sharpening", https://flic.kr/p/sbo18H

8. "Vintage Camillus 1006", https://flic.kr/p/eNbtJ8

9. "Vintage Camillus 1006", https://flic.kr/p/eNbtJ8

10. None

11. https://securethe.news/

12. https://letsencrypt.org/

13. https://caddyserver.com/

14. https://goo.gl/ptS8FO https://goo.gl/nzbqQo

15. Pro tip: Content-Security-Policy: default-src https:; report-uri /reports-r-us

16. Content-Security-Policy: upgrade-insecure-requests https://goo.gl/hcin3m

17. https://goo.gl/51hqZa

18. https://goo.gl/Kd2eMQ

19. https://goo.gl/ciyreA

20. https://goo.gl/rStTGz

21. AppCache getUserMedia crypto.subtle.* ServiceWorker navigator.credentials navigator.geolocation PaymentRequest EME https://goo.gl/rStTGz Notification

22. https://goo.gl/Wwpnjw https://goo.gl/fzVgNt

23. 127.0.0.1 192.168.1.1 192.220.74.179 https://goo.gl/Wwpnjw

24. "Vintage Camillus 1006", https://flic.kr/p/eNbtJ8

25. https://goo.gl/Wamh7S

26. default-src 'none'; base-uri 'self'; block-all-mixed-content; child-src render.githubusercontent.com; connect-src 'self' uploads.github.com

    status.github.com api.github.com www.google-analytics.com github-cloud.s3.amazonaws.com wss://live.github.com; font-src assets-cdn.github.com; form-action 'self' github.com gist.github.com; frame-ancestors 'none'; frame-src render.githubusercontent.com; img-src 'self' data: assets-cdn.github.com identicons.github.com www.google-analytics.com collector.githubapp.com *.gravatar.com *.wp.com *.githubusercontent.com; media-src 'none'; object-src assets-cdn.github.com; plugin-types application/x-shockwave-flash; script-src assets-cdn.github.com; style-src 'unsafe-inline' assets-cdn.github.com

27. https://goo.gl/lJq6jj https://goo.gl/dqPkYn

28. script-src https://connect.facebook.net https://cm.g.doubleclick.net https://ssl.google-analytics.com https://graph.facebook.com https://twitter.com 'unsafe-eval' https://*.twimg.com https://api.twitter.com https://analytics.twitter.com

    https://publish.twitter.com https://ton.twitter.com https://syndication.twitter.com https://www.google.com https://t.tellapart.com 'nonce-LrNe0GlzopB0DPFNqwdllg==' https://platform.twitter.com https://www.google-analytics.com 'self'; frame-ancestors 'self'; font-src https://twitter.com https://*.twimg.com data: https://ton.twitter.com https://fonts.gstatic.com https://maxcdn.bootstrapcdn.com https://netdna.bootstrapcdn.com 'self'; media-src https://twitter.com https://*.twimg.com https://ton.twitter.com blob: 'self'; connect-src https://graph.facebook.com https://*.giphy.com https://*.twimg.com https://embed.pscp.tv https://api.twitter.com https://pay.twitter.com https://analytics.twitter.com https://*.twprobe.net https://media.riffsy.com https://embed.periscope.tv https://upload.twitter.com 'self'; style-src https://fonts.googleapis.com https://twitter.com https://*.twimg.com https://translate.googleapis.com https://ton.twitter.com 'unsafe-inline' https://platform.twitter.com https://maxcdn.bootstrapcdn.com https://netdna.bootstrapcdn.com 'self'; object-src https://twitter.com https://pbs.twimg.com; default-src 'self'; frame-src https://staticxx.facebook.com https://twitter.com https://*.twimg.com https://5415703.fls.doubleclick.net https://player.vimeo.com https://pay.twitter.com https://www.facebook.com https://ton.twitter.com https://syndication.twitter.com https://vine.co twitter: https://www.youtube.com https://platform.twitter.com https://upload.twitter.com https://s-static.ak.facebook.com https://4337974.fls.doubleclick.net 'self' https://donate.twitter.com; img-src https://graph.facebook.com https://*.giphy.com https://twitter.com https://*.twimg.com https://ad.doubleclick.net data: https://lumiere-a.akamaihd.net https://fbcdn-profile-a.akamaihd.net https://www.facebook.com https://ton.twitter.com https://*.fbcdn.net https://syndication.twitter.com https://media.riffsy.com https://www.google.com https://stats.g.doubleclick.net https://api.mapbox.com https://www.google-analytics.com blob: 'self'; report-uri https://twitter.com/i/csp_report?a=NVQWGYLXFVZXO2LGOQ%3D%3D%3D%3D%3D%3D&ro=false;

29. https://goo.gl/wSH6sV

30. https://srihash.org/

31. https://goo.gl/yxEJiO https://goo.gl/IrPX7b

32. Set-Cookie: user_session=...; path=/; secure; HttpOnly; SameSite=Lax

33. https://goo.gl/QcZIBI

34. ✘ Set-Cookie: __Host-SID=12345; Secure; Path=/ ✘ Set-Cookie: __Host-SID=12345 ✘ Set-Cookie:

    __Host-SID=12345; Secure ✘ Set-Cookie: __Host-SID=12345; Secure; Path=/subdirectory/ ✘ Set-Cookie: __Host-SID=12345; Domain=example.com ✘ Set-Cookie: __Host-SID=12345; Domain=example.com; Path=/ ✘ Set-Cookie: __Host-SID=12345; Secure; Domain=example.com; Path=/ ✘ Set-Cookie: __Secure-SID=12345; Secure; ✘ Set-Cookie: __Secure-SID=12345

35. https://goo.gl/gF2clJ

36. https://goo.gl/FHAeAm

37. Credential Management API @ I/O: https://goo.gl/FbrO5x navigator.credentials.get({ "password": true, "unmediated":

    true }) .then(c => { if (!c) return; // Hooray, we have a credential! signInToYourApplication(c); });

38. Credential Management API @ I/O: https://goo.gl/FbrO5x function signInToYourApplication(c) { fetch("/signin",

    { "method": "POST", "credentials": c }) .then(r => { if (r.status == 200) { renderSignedInExperience(r); // or: window.location = "/signedin"; } else { renderUsefulErrorMessage(); } }); }
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40. https://goo.gl/Un07eJ

41. https://goo.gl/ILUP12

42. https://goo.gl/eZ9SKg

43. scheme://host:port

44. scheme://host:port scheme://sub1_host:port scheme://sub2_host:port

45. https://goo.gl/VhLsq2

46. None

47. Thank you! https://goo.gl/F0o9kR @mikewest mkwst@google.com