chore(deps): update dependency @sveltejs/kit to v2.4.3 [security]

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@sveltejs/kit (source)	2.3.5 -> 2.4.3

GitHub Vulnerability Alerts

CVE-2024-23641

Summary

In SvelteKit 2 sending a GET request with a body eg {} to a SvelteKit app in preview or with adapter-node throws Request with GET/HEAD method cannot have body. and crashes the app.

node:internal/deps/undici/undici:6066
          throw new TypeError("Request with GET/HEAD method cannot have body.");
                ^

TypeError: Request with GET/HEAD method cannot have body.
    at new Request (node:internal/deps/undici/undici:6066:17)
    at getRequest (file:///C:/Users/admin/Desktop/reproduction/node_modules/@​sveltejs/kit/src/exports/node/index.js:107:9)
    at file:///C:/Users/admin/Desktop/reproduction/node_modules/@​sveltejs/kit/src/exports/vite/preview/index.js:181:26
    at call (file:///C:/Users/admin/Desktop/reproduction/node_modules/vite/dist/node/chunks/dep-9A4-l-43.js:44795:7)
    at next (file:///C:/Users/admin/Desktop/reproduction/node_modules/vite/dist/node/chunks/dep-9A4-l-43.js:44739:5)
    at file:///C:/Users/admin/Desktop/reproduction/node_modules/@​sveltejs/kit/src/exports/vite/preview/index.js:172:6
    at call (file:///C:/Users/admin/Desktop/reproduction/node_modules/vite/dist/node/chunks/dep-9A4-l-43.js:44795:7)
    at next (file:///C:/Users/admin/Desktop/reproduction/node_modules/vite/dist/node/chunks/dep-9A4-l-43.js:44739:5)
    at file:///C:/Users/admin/Desktop/reproduction/node_modules/@​sveltejs/kit/src/exports/vite/preview/index.js:211:27
    at call (file:///C:/Users/admin/Desktop/reproduction/node_modules/vite/dist/node/chunks/dep-9A4-l-43.js:44795:7)

Node.js v20.11.0

TRACE requests will also cause the app to crash. Prerendered pages and SvelteKit 1 apps are not affected.

PoC

First do a fresh install of SvelteKit 2 with the example app. Typescript.

1. npm run build
2. npm run preview
3. Go to http://localhost:4173 (works)
4. curl -X GET -d "{}" http://localhost:4173/bye
5. Application crashes and http://localhost:4173 is down

Impact

Denial of Service for apps using adapter-node

---

Release Notes

sveltejs/kit (@​sveltejs/kit)

v2.4.3

Compare Source

Patch Changes

• fix: only disallow body with GET/HEAD (#​11710)

v2.4.2

Compare Source

Patch Changes

• fix: ignore bodies sent with non-PUT/PATCH/POST requests (#​11708)

v2.4.1

Compare Source

Patch Changes

• fix: use Vite's default value for build.target and respect override supplied by user (#​11688)

• fix: properly decode base64 strings inside read (#​11682)

• fix: default route config to {} for feature checking (#​11685)

• fix: handle onNavigate callbacks correctly (#​11678)

v2.4.0

Compare Source

Minor Changes

• feat: add $app/server module with read function for reading assets from filesystem (#​11649)

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