CVE-2023-32003

NameCVE-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.
SourceCVE (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 PackageReleaseVersionStatus
nodejs (PTS)buster10.24.0~dfsg-1~deb10u1fixed
buster (security)10.24.0~dfsg-1~deb10u4fixed
bullseye (security), bullseye12.22.12~dfsg-1~deb11u4fixed
bookworm18.13.0+dfsg1-1fixed
bookworm (security)18.19.0+dfsg-6~deb12u1fixed
trixie18.19.1+dfsg-3fixed
sid18.20.1+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nodejssource(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

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