Cache poisoning in Next.js

1) Acceptance of extraneous untrusted data with trusted data

EUVDB-ID: #VU97476

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-46982

CWE-ID: CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper input validation when handling HTTP request. A remote non-authenticated attacker can poison the cache of a non-dynamic server-side rendered route in the pages router.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Next.js: 13.5.1 - 14.2.9

CPE2.3

• cpe:2.3:a:zeit:nextjs:13.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:zeit:nextjs:14.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:zeit:nextjs:14.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:zeit:nextjs:14.2.9:*:*:*:*:*:*:*

External links

https://github.com/vercel/next.js/security/advisories/GHSA-gp8f-8m3g-qvj9
https://github.com/vercel/next.js/commit/7ed7f125e07ef0517a331009ed7e32691ba403d3
https://github.com/vercel/next.js/commit/bd164d53af259c05f1ab434004bcfdd3837d7cda

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.