HTTP request smuggling in Next.js



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-34350
CWE-ID CWE-444
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Next.js
Server applications / Frameworks for developing and running applications

Vendor Zeit

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU89342

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-34350

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Next.js: 13.4.0 - 13.5.0

CPE2.3 External links

https://github.com/vercel/next.js/security/advisories/GHSA-77r5-gw3j-2mpf


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.



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