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CVE-2023-31418— Elasticsearch uncontrolled resource consumption

Quick assessment

Affected
Elastic Elasticsearch
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是一个基于Lucene库的搜索引擎。 Elasticsearch 存在安全漏洞，该漏洞源于未经身份验证的用户可以通过发送适量的格式错误的 HTTP 请求来强制 Elasticsearch 节点退出并出现 OutOfMemory 错误。

CVSS 7.5 · High EPSS 2.05% · P81

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2023-31418

Vulnerability Information
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Vulnerability Title
Elasticsearch uncontrolled resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elasticsearch是一个基于Lucene库的搜索引擎。 Elasticsearch 存在安全漏洞，该漏洞源于未经身份验证的用户可以通过发送适量的格式错误的 HTTP 请求来强制 Elasticsearch 节点退出并出现 OutOfMemory 错误。
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

Vendor Product Affected Versions CPE Subscribe
Elastic Elasticsearch 7.17.12 -

II. Public POCs for CVE-2023-31418

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III. Intelligence Information for CVE-2023-31418

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Vendor Advisories for CVE-2023-31418 (1)

Other References for CVE-2023-31418 (2)

Same Patch Batch · Elastic · 2023-10-26 · 8 CVEs total

CVE-2023-31422 9.0 CRITICAL Kibana Insertion of Sensitive Information into Log File
CVE-2023-46667 8.1 HIGH Fleet Server Insertion of Sensitive Information into Log File
CVE-2023-31419 6.5 MEDIUM Elasticsearch StackOverflow vulnerability
CVE-2023-31421 5.9 MEDIUM Beats, Elastic Agent, APM Server, and Fleet Server Improper Certificate Validation issue
CVE-2023-46666 5.3 MEDIUM Elastic Sharepoint Online Python Connector Improper Access Control
CVE-2023-31416 5.3 MEDIUM Elastic Cloud on Kubernetes (ECK) secret token configuration issue
CVE-2023-31417 4.1 MEDIUM Elasticsearch Insertion of sensitive information in audit logs

IV. Related Vulnerabilities

Same product: Elasticsearch
Same vendor: Elastic
Same weakness: CWE-400

V. Comments for CVE-2023-31418

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