CVE-2024-10491 Preload arbitrary resources by injecting additional `Link` headers
Attackers can inject malicious resources via unsanitized Link headers in Express, potentially leading to code execution or security bypasses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-10491?
CVE-2024-10491 is a medium-severity vulnerability in express, published on 29 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in the Express response.links function, allowing for arbitrary resource injection in the Link header when unsanitized data is used.
The issue arises from improper sanitization in `Link` header values, which can allow a combination of characters like `,`, `;`, and `<>` to preload malicious resources.
This vulnerability is especially relevant for dynamic parameters.
Weakness: CWE-74
Which versions are affected by CVE-2024-10491?
2 open source packages ship an affected version, including express. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
express npm | All versions | 4.0.0-rc1 |
express npm | All versions | 4.0.0-rc1 |
Products include Openjsf Express.
How do I fix CVE-2024-10491?
Upgrade express to 4.0.0-rc1 or later.
Is CVE-2024-10491 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-10491 exists.
Other vulnerabilities in express
Sources
Also known as DEBIAN-CVE-2024-10491, GHSA-cm5g-3pgc-8rg4.