Vulnerability · Published Jan 24, 2024 · Assigned by GitHub_M
CVE-2024-23641Sending a GET or HEAD request with a body crashes SvelteKit
High 7.5
In plain English
A high-severity improper input validation in kit from sveltejs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
SvelteKit is a web development kit. In SvelteKit 2, sending a GET request with a body eg `{}` to a built and previewed/hosted sveltekit app throws `Request with GET/HEAD method cannot have body.` and crashes the preview/hosting. After this happens, one must manually restart the app. `TRACE` requests will also cause the app to crash. Prerendered pages and SvelteKit 1 apps are not affected. `@sveltejs/adapter-node` versions 2.1.2, 3.0.3, and 4.0.1 and `@sveltejs/kit` version 2.4.3 contain a patch for this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @sveltejs/adapter-node | 2.1.2 | GHSA-g5m6-hxpp-fc49 |
| npm | @sveltejs/adapter-node | 3.0.3 | GHSA-g5m6-hxpp-fc49 |
| npm | @sveltejs/adapter-node | 4.0.1 | GHSA-g5m6-hxpp-fc49 |
| npm | @sveltejs/kit | 2.4.3 | GHSA-g5m6-hxpp-fc49 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H