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[Security] Bump ws from 5.2.2 to 5.2.3 #82

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@dependabot-preview dependabot-preview bot commented Jun 10, 2021

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

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Bumps [ws](https://github.com/websockets/ws) from 5.2.2 to 5.2.3. **This update includes a security fix.**
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@5.2.2...5.2.3)

Signed-off-by: dependabot-preview[bot] <[email protected]>
@dependabot-preview dependabot-preview bot added dependencies Pull requests that update a dependency file security Pull requests that address a security vulnerability labels Jun 10, 2021
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