CVE-2017-14730: Elasticsearch Logstash

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The init script in the Gentoo app-admin/logstash-bin package before 5.5.3 and 5.6.x before 5.6.1 has "chown -R" calls for user-writable directory trees, which allows local users to gain privileges by leveraging access to a $LS_USER account for creation of a hard link.

Affected products

• Elasticsearch Logstash: version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; version 5.1.1 only; version 5.1.2 only; version 5.2.0 only; …

Published 2017-09-25. Last modified 2026-06-17.