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[Security] Bump ws from 6.2.1 to 6.2.2 #87

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Bumps ws from 6.2.1 to 6.2.2. This update includes security fixes.

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: >= 5.0.0 < 6.2.2

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: < 6.2.2

Commits

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Bumps [ws](https://github.com/websockets/ws) from 6.2.1 to 6.2.2. **This update includes security fixes.**
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>
@dependabot-preview dependabot-preview bot requested a review from a team as a code owner June 2, 2021 13:16
@dependabot-preview dependabot-preview bot added dependencies Pull requests that update a dependency file security Pull requests that address a security vulnerability labels Jun 2, 2021
@dependabot-preview dependabot-preview bot requested review from markjamieson and removed request for a team June 2, 2021 13:16
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One of your CI runs failed on this pull request, so Dependabot won't merge it.

Dependabot will still automatically merge this pull request if you amend it and your tests pass.

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