[Security] Bump ws from 7.2.1 to 7.5.0

[dependabot-preview[bot]]

Bumps ws from 7.2.1 to 7.5.0. 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: >= 7.0.0 < 7.4.6

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 < 7.4.5

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 < 7.4.6

Release notes

Sourced from ws's releases.

7.5.0

Features

• Some errors now have a code property describing the specific type of error that has occurred (#1901).

Bug fixes

• A close frame is now sent to the remote peer if an error (such as a data framing error) occurs (8806aa9a).
• The close code is now always 1006 if no close frame is received, even if the connection is closed due to an error (8806aa9a).

7.4.6

Bug fixes

• Fixed a ReDoS vulnerability (00c425ec).

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

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);
}

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

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.

7.4.5

Bug fixes

• UTF-8 validation is now done even if utf-8-validate is not installed (23ba6b29).
• Fixed an edge case where websocket.close() and websocket.terminate() did not close the connection (67e25ff5).

7.4.4

... (truncated)

Commits

• e3f0c17 [dist] 7.5.0
• 1d3f4cb [doc] Fix anchor tags for error codes
• 6eea0d4 [doc] Fix typo
• bb5d44b [doc] Sort error codes alphabetically
• c6e3080 [minor] Attach error codes to all receiver errors (#1901)
• 074e6a8 [fix] Don't call ws.terminate() unconditionally in duplex._destroy()
• 8806aa9 [fix] Close the connection cleanly when an error occurs
• 05b8ccd [doc] Fix broken link (#1897)
• 03a7078 [doc] Remove unsafe regex from code snippet
• 7ee3115 [doc] Add logo to coverage badge
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #128.