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Vulnerability record · CVE-2017-14730 · published 25 September 2017

CVE-2017-14730: Elasticsearch logstash incorrect permission assignment vulnerability

Elasticsearch · Logstash

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.

7.8 CVSS 3.0 High EPSS 0.35% · top 74.3% CWE-732 · Incorrect permission assignment
7.8CVSS 3.0 base score, v2 7.2
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.gentoo.org/628558 Third Party Advisory
https://github.com/gentoo/gentoo/pull/5665 Third Party Advisory
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=18f97c851c209f291b31ae7a902719f1c17c79fa Third Party Advisory
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bbd6cb398c1740c68e9b1b78340c887c58c1fbda Third Party Advisory
https://bugs.gentoo.org/628558 Third Party Advisory
https://github.com/gentoo/gentoo/pull/5665 Third Party Advisory
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=18f97c851c209f291b31ae7a902719f1c17c79fa Third Party Advisory
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bbd6cb398c1740c68e9b1b78340c887c58c1fbda Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-14730), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.