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CVE-2018-7408 Incorrect Permission Assignment for Critical Resource in NPM

HighCVSS 7.8 EPSS 0.32%
Published
Updated
Exploit status
No public exploit known

Description

An issue was discovered in an npm 5.7.0 2018-02-21 pre-release (marked as "next: 5.7.0" and therefore automatically installed by an "npm upgrade -g npm" command, and also announced in the vendor's blog without mention of pre-release status). It might allow local users to bypass intended filesystem access restrictions because ownerships of /etc and /usr directories are being changed unexpectedly, related to a "correctMkdir" issue.

Affected products

ProductAffected versionsFixed in
npm(npm) < 5.7.1 5.7.1
npmjs npm = 5.7.0 No fix listed

References