Logstash up to 6.8.3/7.4.0 Beats Input Plugin Network Packet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability classified as problematic was found in Logstash up to 6.8.3/7.4.0. Affected by this vulnerability is an unknown code of the component Beats Input Plugin. The manipulation as part of a Network Packet leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.

The weakness was published 10/30/2019 (Website). The advisory is shared at discuss.elastic.co. This vulnerability is known as CVE-2019-7620 since 02/07/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.8.4 or 7.4.1 eliminates this vulnerability.

Similar entry is available at 144504.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Logstash 6.8.4/7.4.1

Timelineinfo

02/07/2019 🔍
10/30/2019 +265 days 🔍
10/31/2019 +1 days 🔍
10/31/2019 +0 days 🔍

Sourcesinfo

Advisory: discuss.elastic.co
Status: Not defined

CVE: CVE-2019-7620 (🔍)
See also: 🔍

Entryinfo

Created: 10/31/2019 06:10
Updated: 10/31/2019 06:15
Changes: 10/31/2019 06:10 (40), 10/31/2019 06:15 (17)
Complete: 🔍

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