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CVE-2014-4326: Elasticsearch Logstash allows remote attackers to execute arbitrary commands

May 14, 2022 (updated April 16, 2025)

Elasticsearch Logstash 1.0.14 through 1.4.x before 1.4.2 allows remote attackers to execute arbitrary commands via a crafted event in (1) zabbix.rb or (2) nagios_nsca.rb in outputs/.

References

  • github.com/advisories/GHSA-8qhq-rq4j-8prj
  • github.com/elastic/logstash
  • nvd.nist.gov/vuln/detail/CVE-2014-4326
  • web.archive.org/web/20140804031140/http://www.elasticsearch.org/blog/logstash-1-4-2
  • web.archive.org/web/20201207013408/http://www.securityfocus.com/archive/1/532841/100/0/threaded
  • www.elastic.co/community/security

Code Behaviors & Features

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Affected versions

All versions starting from 1.0.14 before 1.4.2

Fixed versions

  • 1.4.2

Solution

Upgrade to version 1.4.2 or above.

Impact 7.5 HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Learn more about CVSS

Weakness

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

gem/logstash/CVE-2014-4326.yml

Spotted a mistake? Edit the file on GitLab.

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