Update dependency ws to v6.2.2 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ws	6.1.4 -> 6.2.2

GitHub Vulnerability Alerts

CVE-2021-32640

Impact

A specially crafted value of the Sec-Websocket-Protocol header can be used to significantly slow down a ws server.

Proof of concept

for (const length of [1000, 2000, 4000, 8000, 16000, 32000]) {
  const value = 'b' + ' '.repeat(length) + 'x';
  const start = process.hrtime.bigint();

  value.trim().split(/ *, */);

  const end = process.hrtime.bigint();

  console.log('length = %d, time = %f ns', length, end - start);
}

Patches

The vulnerability was fixed in ws@7.4.6 (websockets/ws@00c425e) and backported to ws@6.2.2 (websockets/ws@78c676d) and ws@5.2.3 (websockets/ws@76d47c1).

Workarounds

In vulnerable versions of ws, the issue can be mitigated by reducing the maximum allowed length of the request headers using the --max-http-header-size=size and/or the maxHeaderSize options.

Credits

The vulnerability was responsibly disclosed along with a fix in private by Robert McLaughlin from University of California, Santa Barbara.

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Release Notes

websockets/ws (ws)

v6.2.2

Compare Source

Bug fixes

• Backported 00c425e to the 6.x release line (78c676d).

v6.2.1

Compare Source

Bug fixes

• Fixed a bug that, under certain circumstances, prevented the close timer from
  being set (aa1dcd5).

v6.2.0

Compare Source

Features

• Added ability to follow redirects (#​1490).

Bug fixes

• The opening handshake is now aborted if the Sec-WebSocket-Key header field
  value is invalid (160af45).

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Configuration

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File name: arks-gallery-server/package-lock.json