PT-2019-18672 · Elastic · Logstash

Dennis Detering · Published 2019-10-30 · Updated 2020-10-09 · CVE-2019-7620

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Logstash versions prior to 7.4.1 Logstash versions prior to 6.8.4

Description The issue is a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who can connect to the port the Logstash beats input is using could send a specially crafted network packet, causing Logstash to stop responding.

Recommendations For versions prior to 7.4.1, update to version 7.4.1 or later. For versions prior to 6.8.4, update to version 6.8.4 or later.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2019-7620

Affected Products

Logstash

References · 5

• https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-7620 · Vendor Advisory
• https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-7620 · Security Note
• https://elastic.co/community/security · Vendor Advisory