CVE-2023-30583

Name	CVE-2023-30583
Description	fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the `--allow-fs-read` flag in Node.js 20. This flaw arises from a missing check in the `fs.openAsBlob()` API. 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, Debian ELTS, 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	12.22.12~dfsg-1~deb11u4	fixed
	bullseye (security)	12.22.12~dfsg-1~deb11u7	fixed
	bookworm, bookworm (security)	18.20.4+dfsg-1~deb12u1	fixed
	trixie	20.19.2+dfsg-1	fixed
	forky	20.19.4+dfsg-1	fixed
	sid	20.19.5+dfsg+~cs20.19.12-4	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> (Vulnerable code introduced in 20.x)
https://nodejs.org/en/blog/vulnerability/june-2023-security-releases#fsopenasblob-bypass-in-experimental-permission-model-medium-cve-2023-30583