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Rewterz Threat Advisory – CVE-2021-33623 – Node.js trim-newlines module denial of service

Severity

Medium

Analysis Summary

CVE-2021-33623

Node.js trim-newlines module is vulnerable to a denial of service, caused by a regular expression denial-of-service (ReDoS) flaw in the .end() method. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause the application to crash.

Impact

  • Denial of Service

Affected Vendors

Node.js

Affected Products

  • Node.js trim-newlines 3.0.0
  • Node.js trim-newlines 4.0.0

Remediation

Upgrade to the latest version of trim-newlines (3.0.1, 4.0.1 or later) from https://www.npmjs.com/package/trim-newlines