#VU79340 Path traversal in Node.js - CVE-2023-32003

Vulnerability identifier: #VU79340

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-32003

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Node.js
Server applications / Web servers

Vendor: Node.js Foundation

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to a missing check in the fs.mkdtemp() API. A remote attacker can bypass the permission model check using a path traversal attack in fs.mkdtemp() and fs.mkdtempSync().

Mitigation
Install update from vendor's website.

Vulnerable software versions

Node.js: 20.0.0, 20.1.0, 20.2.0, 20.3.0, 20.3.1, 20.4.0, 20.5.0

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External links
http://github.com/nodejs/node/releases/tag/v20.5.1
http://nodejs.org/en/blog/vulnerability/august-2023-security-releases

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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.