Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Affecting hono package, versions <4.2.7
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Apr 2024
- disclosed23 Apr 2024
- credity0d3n
Introduced: 23 Apr 2024
CVE-2024-32869 (opens in a new tab)How to fix?
Upgrade hono to version 4.2.7 or higher.
Overview
hono is an Ultrafast web framework for the Edges
Affected versions of this package are vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') such that when using serveStatic with deno, it is possible to traverse the directory where main.ts is located, leading to the retrieval of unexpected files.
PoC
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)