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CVE-2017-18869 Time-of-check Time-of-use (TOCTOU) Race Condition in chownr

LowCVSS 2.5 EPSS 0.33%
Published
Updated
Exploit status
No public exploit known

Description

A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick it into descending into unintended directories via symlink attacks.

Affected products

ProductAffected versionsFixed in
npm chownr(npm) < 1.1.0 1.1.0
debian/node-chownr(Debian:12) < 1.1.1-1 1.1.1-1
debian/node-chownr(Debian:13) < 1.1.1-1 1.1.1-1
debian/node-chownr(Debian:14) < 1.1.1-1 1.1.1-1
chownr project chownr < 1.1.0 1.1.0
ubuntu/node-chownr(Ubuntu:24.04) All versions No fix listed
ubuntu/node-chownr(Ubuntu:26.04) All versions No fix listed
ubuntu/node-chownr(Ubuntu:26.10) All versions No fix listed
ubuntu/node-chownr(Ubuntu:22.04) All versions No fix listed

References