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Rewterz Threat Advisory – Node.js css-what module Vulnerability

Severity

Medium

Analysis Summary

CVE-2022-21222 CVSS:5.3

Node.js css-what module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the parse function of the index.js script. By sending specially-crafted regex input using the re_attr variable, a remote attacker could exploit this vulnerability to cause a denial of service.

Impact

  • Denial of Service

Indicators Of Compromise

CVE

  • CVE-2022-21222

Affected Vendors

Node.js

Affected Products

  • Node.js css-what 2.1.2
  • Node.js css-what 2.1.0
  • Node.js css-what 2.0.2
  • Node.js css-what 2.0.1

Remediation

Upgrade to the latest version of Node.js css-what module, available from the NPM Website.

NPM Website