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

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@sveltejs/kit (source)	2.4.1 -> 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

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Release Notes

sveltejs/kit (@​sveltejs/kit)

### [`v2.4.3`](https://togithub.com/sveltejs/kit/blob/HEAD/packages/kit/CHANGELOG.md#243) [Compare Source](https://togithub.com/sveltejs/kit/compare/@sveltejs/kit@2.4.2...@sveltejs/kit@2.4.3) ##### Patch Changes - fix: only disallow body with GET/HEAD ([#​11710](https://togithub.com/sveltejs/kit/pull/11710)) ### [`v2.4.2`](https://togithub.com/sveltejs/kit/blob/HEAD/packages/kit/CHANGELOG.md#242) [Compare Source](https://togithub.com/sveltejs/kit/compare/@sveltejs/kit@2.4.1...@sveltejs/kit@2.4.2) ##### Patch Changes - fix: ignore bodies sent with non-PUT/PATCH/POST requests ([#​11708](https://togithub.com/sveltejs/kit/pull/11708))

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Configuration

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