#VU105892 Resource exhaustion in next.js - CVE-2023-46298

Vulnerability identifier: #VU105892

Vulnerability risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-46298

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
next.js
Server applications / Frameworks for developing and running applications

Vendor: vercel

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to Next.js lacks a cache-control header and thus empty prefetch responses may sometimes be cached by a CDN. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

next.js: 13.4.20.0 - 13.4.20.23

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External links
https://github.com/vercel/next.js/issues/45301
https://github.com/vercel/next.js/compare/v13.4.20-canary.12...v13.4.20-canary.13
https://github.com/vercel/next.js/pull/54732

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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.