#VU82068 Path traversal in Node.js - CVE-2023-39332

Vulnerability identifier: #VU82068

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-39332

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 input validation error when processing directory traversal sequences in paths stored in Uint8Array. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

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, 20.5.1, 20.6.0, 20.6.1, 20.7.0, 20.8.0

---

External links
https://nodejs.org/en/blog/vulnerability/october-2023-security-releases

---

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.