CVE-2023-32003

Name	CVE-2023-32003
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
nodejs (PTS)	bullseye (security), bullseye	12.22.12~dfsg-1~deb11u4	fixed
	bookworm	18.19.0+dfsg-6~deb12u2	fixed
	bookworm (security)	18.19.0+dfsg-6~deb12u1	fixed
	trixie	20.15.0+dfsg-1	fixed
	sid	20.15.1+dfsg-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
nodejs	source	(unstable)	(not affected)

Notes

- nodejs <not-affected> (Only affects 20.x and later)
https://nodejs.org/en/blog/vulnerability/august-2023-security-releases#fsmkdtemp-and-fsmkdtempsync-are-missing-getvalidatedpath-checks-lowcve-2023-32003