[Snyk] Upgrade socket.io from 2.3.0 to 2.4.0

[L04DB4L4NC3R]

Snyk has created this PR to upgrade socket.io from 2.3.0 to 2.4.0.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 1 version ahead of your current version.
• The recommended version was released 21 days ago, on 2021-01-04.

The recommended version fixes:

Severity	Issue	PriorityScore (*)	Exploit Maturity
	Denial of Service (DoS) SNYK-JS-SOCKETIOPARSER-1056752	554/1000 Why? Proof of Concept exploit, Recently disclosed, CVSS 7.5	Proof of Concept
	Insecure Defaults SNYK-JS-SOCKETIO-1024859	554/1000 Why? Proof of Concept exploit, Recently disclosed, CVSS 7.5	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Release notes

Package name: socket.io

• 2.4.0 - 2021-01-04
  

  Related blog post: https://socket.io/blog/socket-io-2-4-0/

  Features (from Engine.IO)

  • add support for all cookie options (19cc582)
  • disable perMessageDeflate by default (5ad2736)

  Bug Fixes

  • security: do not allow all origins by default (f78a575)
  • properly overwrite the query sent in the handshake (d33a619)

  ⚠️ BREAKING CHANGE ⚠️

  Previously, CORS was enabled by default, which meant that a Socket.IO server sent the necessary CORS headers (Access-Control-Allow-xxx) to any domain. This will not be the case anymore, and you now have to explicitly enable it.

  Please note that you are not impacted if:

  • you are using Socket.IO v2 and the origins option to restrict the list of allowed domains
  • you are using Socket.IO v3 (disabled by default)

  This commit also removes the support for '*' matchers and protocol-less URL:

  io.origins('https://example.com:443'); => io.origins(['https://example.com']);
  io.origins('localhost:3000');          => io.origins(['http://localhost:3000']);
  io.origins('http://localhost:*');      => io.origins(['http://localhost:3000']);
  io.origins('*:3000');                  => io.origins(['http://localhost:3000']);
  

  To restore the previous behavior (please use with caution):

  io.origins((_, callback) => {
    callback(null, true);
  });

  See also:

  • https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
  • https://socket.io/docs/v3/handling-cors/
  • https://socket.io/docs/v3/migrating-from-2-x-to-3-0/#CORS-handling

  Thanks a lot to @ ni8walk3r for the security report.

  Links:

  • Milestone: 2.4.0
  • Diff: 2.3.0...2.4.0
  • Client release: 2.4.0
  • engine.io version: ~3.5.0
  • ws version: ~7.4.2
• 2.3.0 - 2019-09-20

from socket.io GitHub release notes

Commit messages

Package name: socket.io

• 873fdc5 chore(release): 2.4.0
• f78a575 fix(security): do not allow all origins by default
• d33a619 fix: properly overwrite the query sent in the handshake
• 3951a79 chore: bump engine.io version
• 6fa026f ci: migrate to GitHub Actions

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