CVE-2023-23936

Medium

Description

Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect `host` HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a workaround, sanitize the `headers.host` string before passing to undici.

SeverityMedium
CVSS6.5
Exploit probability—
ProductNodejs Node.js
PublishedFeb 16, 2023
First seenFeb 16, 2023
Weakness typeCWE-93CWE-93

How to fix

Update
  • nodejs node.js16.19.1, 18.14.1, 19.6.1 or later
  • nodejs undici5.19.1 or later
  • undici5.19.1 or later

Affected products

ProductAffected versionsFixed in
nodejs node.js16.0.0 ≤ v < 16.19.1, 18.0.0 ≤ v < 18.14.1, 19.0.0 ≤ v < 19.6.116.19.1, 18.14.1, 19.6.1
nodejs undici2.0.0 ≤ v < 5.19.15.19.1
undicinpm2.0.0 ≤ v < 5.19.15.19.1

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