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Rewterz Threat Advisory – CVE-2022-35256 – Node.js Header Fields Request Vulnerability

Severity

High

Analysis Summary

CVE-2022-35256

Node.js is vulnerable to HTTP request smuggling, caused by the failure to correctly handle header fields that are not terminated with CLRF by the llhttp parser in the http module. A remote attacker could send a specially-crafted request to lead to HTTP Request Smuggling (HRS). An attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.

Impact

Gain Access

Indicators Of Compromise

CVE

  • CVE-2022-35256

Affected Vendors

Node.js

Affected Products

  • Node.js 14.0
  • Node.js 16.0
  • Node.js 18.0

Remediation

Upgrade to the latest version of Node.js, available from the Node.js Website.

Node.js Website