CVE-2023-32003 Path traversal in Node
Attackers can bypass permission model checks via path traversal in fs.mkdtemp to create arbitrary directories in Node.js 20.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-32003?
CVE-2023-32003 is a medium-severity path traversal vulnerability in Fedoraproject Fedora, published on 15 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
`fs.mkdtemp()` and `fs.mkdtempSync()` can be used to bypass the permission model check using a path traversal attack. This flaw arises from a missing check in the fs.mkdtemp() API and the impact is a malicious actor could create an arbitrary directory.
This vulnerability affects all users using the experimental permission model in Node.js 20.
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-2023-32003?
2 open source packages ship an affected version, including node and node-min. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
node Bitnami | From 20.0.0 | 20.5.1 |
node-min Bitnami | From 20.0.0 | 20.5.1 |
Products include Fedoraproject Fedora, Nodejs Node.js.
How do I fix CVE-2023-32003?
Upgrade node to 20.5.1 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-32003 being exploited?
There is no known exploitation of CVE-2023-32003 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as BIT-node-2023-32003, BIT-node-min-2023-32003, GHSA-r874-ffh8-2fvj.