[Security] Bump ws from 5.2.2 to 5.2.3

[dependabot-preview]

Bumps ws from 5.2.2 to 5.2.3. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

ReDoS in Sec-Websocket-Protocol header

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

... (truncated)

Affected versions: < 5.2.3

Release notes

Sourced from ws's releases.

5.2.3

Bug fixes

• Backported 00c425ec to the 5.x release line (76d47c14).

Commits

• 6dd88e7 [dist] 5.2.3
• 76d47c1 [security] Fix ReDoS vulnerability
• See full diff in compare view

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[codeclimate]

Code Climate has analyzed commit 92134c8 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 69.6%.

View more on Code Climate.