#VU93884 Memory leak in undici - CVE-2024-38372

Vulnerability identifier: #VU93884

Vulnerability risk: Medium

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

CVE-ID: CVE-2024-38372

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
undici
Server applications / File servers (FTP/HTTP)

Vendor: Node.js

Description
The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due memory leak when using the response.arrayBuffer(). A remote attacker can force the application to leak parts of Node.js process memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

undici: 6.14.0 - 6.19.1

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External links
https://github.com/nodejs/undici/security/advisories/GHSA-3g92-w8c5-73pq
https://github.com/nodejs/undici/issues/3328
https://github.com/nodejs/undici/issues/3337
https://github.com/nodejs/undici/pull/3338
https://github.com/nodejs/undici/commit/f979ec3204ca489abf30e7d20e9fee9ea7711d36

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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.