CVE-2019-7620
Quick assessment
Affected
Elastic Logstash
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Elasticsearch Logstash是荷兰Elasticsearch公司的一套日志分析和监控工具。 Elasticsearch Logstash 7.4.1之前版本和6.8.4之前版本中的Logstash Beats输入插件存在安全漏洞。攻击者可通过发送特制的网络数据包利用该漏洞造成Logstash停止响应。
Possible ATT&CK Techniques 1 AI
T1557.001 · Name Resolution Poisoning and SMB Relay
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I. Basic Information for CVE-2019-7620
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch Logstash 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elasticsearch Logstash是荷兰Elasticsearch公司的一套日志分析和监控工具。 Elasticsearch Logstash 7.4.1之前版本和6.8.4之前版本中的Logstash Beats输入插件存在安全漏洞。攻击者可通过发送特制的网络数据包利用该漏洞造成Logstash停止响应。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2019-7620
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2019-7620 (3)
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https://www.elastic.co/community/security x_refsource_CONFIRM
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https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909 x_refsource_CONFIRM
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https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908 x_refsource_CONFIRM
IV. Related Vulnerabilities
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CVE-2019-7612
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CVE-2019-7613
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V. Comments for CVE-2019-7620
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