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org.webjars.npm:ws@5.2.3 vulnerabilities

  • latest version

    8.18.0

  • latest non vulnerable version

    8.18.0

  • first published

    9 years ago

  • latest version published

    4 months ago

  • licenses detected

  • package manager

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Direct Vulnerabilities

Known vulnerabilities in the org.webjars.npm:ws package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Denial of Service (DoS)

org.webjars.npm:ws is a simple to use websocket client, server and console for node.js.

Affected versions of this package are vulnerable to Denial of Service (DoS) when the number of received headers exceed the server.maxHeadersCount or request.maxHeadersCount threshold.

How to fix Denial of Service (DoS)?

Upgrade org.webjars.npm:ws to version 7.5.10, 8.17.1 or higher.

[,7.5.10) [8.0.0,8.17.1)
  • M
Regular Expression Denial of Service (ReDoS)

org.webjars.npm:ws is a simple to use websocket client, server and console for node.js.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS). A specially crafted value of the Sec-Websocket-Protocol header can be used to significantly slow down a ws server.

##PoC

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);
}

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade org.webjars.npm:ws to version 7.4.6 or higher.

[,7.4.6)
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