nico3333fr / CSP-useful

Collection of scripts, thoughts about CSP (Content Security Policy)
MIT License
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connect-src violation for sentry.io, even though allowed #97

Closed Maxim-Mazurok closed 3 months ago

Maxim-Mazurok commented 3 months ago

Added:

connect-src violation for sentry.io, even though allowed

Event from window.addEventListener("securitypolicyviolation", ...):

{
  "isTrusted": true,
  "documentURI": "https://app.borderwise.com/?authtoken=xxx",
  "referrer": "",
  "blockedURI": "https://o827986.ingest.sentry.io/api/5818829/envelope/?sentry_key=dfc9b7af16364687a712017b52545d52&sentry_version=7",
  "violatedDirective": "connect-src",
  "effectiveDirective": "connect-src",
  "originalPolicy": "default-src  'self'; frame-ancestors  'self'; style-src  'unsafe-inline'; script-src-elem  'self' https://*.googletagmanager.com https://*.hotjar.com; style-src-elem  'self' 'unsafe-inline' https://fonts.googleapis.com; font-src  'self' https://fonts.gstatic.com https://fonts.gstatic.cn; connect-src  'self' https://localhost:33443 https://localhost:43443 https://*.ingest.sentry.io https://*.hotjar.com https://*.hotjar.io wss://*.hotjar.com https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com  'self' https://fonts.gstatic.com https://fonts.gstatic.cn  'self' https://*.google-analytics.com https://*.googletagmanager.com  'self' 'unsafe-inline' https://fonts.googleapis.com; img-src  'self' https://*.google-analytics.com https://*.googletagmanager.com;",
  "disposition": "report",
  "sourceFile": "",
  "statusCode": 200,
  "lineNumber": 0,
  "columnNumber": 0,
  "sample": "",
  "type": "securitypolicyviolation",
  "target": "Node",
  "currentTarget": "Window",
  "eventPhase": 3,
  "bubbles": true,
  "cancelable": false,
  "defaultPrevented": false,
  "composed": true,
  "timeStamp": 95780.30000000075,
  "srcElement": "Node",
  "returnValue": true,
  "cancelBubble": false,
  "NONE": 0,
  "CAPTURING_PHASE": 1,
  "AT_TARGET": 2,
  "BUBBLING_PHASE": 3
}

WTF: Blocked URL: https://o827986.ingest.sentry.io/api/5818829/envelope/?sentry_key=dfc9b7af16364687a712017b52545d52&sentry_version=7 even though my policy allows it: ...; connect-src ... https://*.ingest.sentry.io ...; In ~6 months there were ~24k users and ~900k views, the issue was reported 47 times. Happens on Firefox v126 and v127, Chrome v125 and v126, Edge v125 and v126. One from IPv4 Cisco OpenDNS, all others coming from 2001:DB8::/32 range, which is a reserved prefix for use in documentation. Upon inspection of user emails, looks like all users from that IP range are from the same company that is our client.


Also have a very similar issue with hotjar, but that one has much more "real" IPv4s, apart from "2001:db8" ones. I'll add more info on that one later, probably in separate PR if this one will get merged by that time.

nico3333fr commented 3 months ago

Thanks a lot :)