CVE-2023-32004

Name	CVE-2023-32004
Description	A vulnerability has been discovered in Node.js version 20, specifically within the experimental permission model. This flaw relates to improper handling of Buffers in file system APIs causing a traversal path to bypass when verifying file permissions. 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)	jessie	0.10.29~dfsg-2	fixed
	stretch	4.8.2~dfsg-1	fixed
	buster (security), buster, buster (lts)	10.24.0~dfsg-1~deb10u4	fixed
	bullseye	12.22.12~dfsg-1~deb11u4	fixed
	bullseye (security)	12.22.12~dfsg-1~deb11u5	fixed
	bookworm	18.19.0+dfsg-6~deb12u2	fixed
	bookworm (security)	18.19.0+dfsg-6~deb12u1	fixed
	sid, trixie	20.18.1+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#permission-model-bypass-by-specifying-a-path-traversal-sequence-in-a-buffer-highcve-2023-32004