CVE-2023-39331 Path traversal in Node

High 7.7 Published Updated

Attackers can exploit path traversal in Node.js by overwriting built-in utility functions, potentially reading or modifying files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-39331?

CVE-2023-39331 is a high-severity path traversal vulnerability in Nodejs Node.js, published on 18 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A previously disclosed vulnerability (CVE-2023-30584) was patched insufficiently in commit 205f1e6. The new path traversal vulnerability arises because the implementation does not protect itself against the application overwriting built-in utility functions with user-defined implementations.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Weakness: CWE-22

Which versions are affected by CVE-2023-39331?

2 open source packages ship an affected version, including node and node-min. It affects 1 product.

PackageAffectedFixed in
node BitnamiFrom 20.0.020.8.1
node-min BitnamiFrom 20.0.020.8.1

Products include Nodejs Node.js.

How do I fix CVE-2023-39331?

Upgrade node to 20.8.1 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-39331 being exploited?

There is no known exploitation of CVE-2023-39331 in the wild and no public exploit code.

All Nodejs Node.js vulnerabilities

Sources

Also known as BIT-node-2023-39331, BIT-node-min-2023-39331, GHSA-7xrv-q25v-f95m.

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