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

낮음 2.5CVE-2017-18869 · GHSA-c6rq-rjc2-86v2 · Published 15/06/2020 · updated 17/06/2026

요약

CVE-2017-18869은(는) chownr (chownr project), chownr에 영향을 주는 낮음 (CVSS 2.5) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 0.33%, 전체 취약점의 26.9%보다 높음.
조치: 1.1.0 이상으로 업데이트하세요.

Package	Affected versions	Patched versions
chownr chownr_project	`< 1.1.0`	`1.1.0`
chownr npm	`< 1.1.0`	`1.1.0`

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.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2017-18869 · ADVISORY
isaacs/chownr · WEB
isaacs/chownr commit 36a93e3 · WEB
isaacs/chownr commit a631d84 · WEB
bugs.debian.org/cgi-bin/bugreport.cgi · WEB
bugzilla.redhat.com/show_bug.cgi · WEB
snyk.io/vuln/npm:chownr:20180731 · WEB

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