CVE-2023-30589 llhttp vulnerable to HTTP request smuggling

What is CVE-2023-30589?

CVE-2023-30589 is a high-severity vulnerability in Fedoraproject Fedora, published on 30 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The llhttp parser in the http module in Node v20.2.0 does not strictly use the CRLF sequence to delimit HTTP requests. This can lead to HTTP Request Smuggling (HRS). The CR character (without LF) is sufficient to delimit HTTP header fields in the llhttp parser. According to RFC7230 section 3, only the CRLF sequence should delimit each header-field. This impacts all Node.js active versions: v16, v18, and, v20

Which versions are affected by CVE-2023-30589?

4 open source packages ship an affected version, including llhttp, node and node-min. It affects 2 products.

Products include Fedoraproject Fedora, Nodejs Node.js.

How do I fix CVE-2023-30589?

Upgrade llhttp to 8.1.1 or later.

Is CVE-2023-30589 being exploited?

There is no known exploitation of CVE-2023-30589 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-27278, AZL-27279, BIT-node-2023-30589, BIT-node-min-2023-30589, CLEANSTART-2026-LJ66214, DEBIAN-CVE-2023-30589 and 3 more.