CVE-2022-32214: XSS
A vulnerability was found in NodeJS due to the llhttp parser in the http module not strictly using the CRLF sequence to delimit HTTP requests. This issue can lead to HTTP Request Smuggling (HRS). This flaw allows an attacker to send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers, causing web cache poisoning, and conducting XSS attacks.
Other sources
CVE-2022-32214
The llhttp parser in the http module does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS).
More details will be available at CVE-2022-32214 after publication.
Thank you to Zeyu Zhang (@zeyu2001) for reporting this vulnerability.
Impacts:
All versions of the 18.x, 16.x, and 14.x releases lines. llhttp v6.0.7 and llhttp v2.1.5 contains the fixes that were updated inside Node.js
— Red Hat
Node.js is vulnerable to HTTP request smuggling, caused by the failure to strictly use the CRLF sequence to delimit HTTP requests 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.
— IBM
The llhttp parser <v14.20.1, <v16.17.1 and <v18.9.1 in the http module in Node.js does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS).
Affected Software
Remediation
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is CVE-2022-32214?
CVE-2022-32214 is a vulnerability found in Node.js due to the llhttp parser in the http module not strictly using the CRLF sequence to delimit HTTP requests.
What is the severity of CVE-2022-32214?
The severity of CVE-2022-32214 is medium (6.5).
How does CVE-2022-32214 relate to HTTP Request Smuggling (HRS)?
CVE-2022-32214 can lead to HTTP Request Smuggling (HRS) as it allows an attacker to send a specially crafted HTTP request to the server and smuggle arbitrary data.
Which versions of Node.js are affected by CVE-2022-32214?
Node.js versions <v14.20.1, <v16.17.1, and <v18.9.1 are affected by CVE-2022-32214.
How can I mitigate CVE-2022-32214?
To mitigate CVE-2022-32214, update Node.js to versions 14.20.1, 16.17.1, or 18.9.1 or later.