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CVE-2023-31419— Elasticsearch StackOverflow vulnerability

Quick assessment

Affected
Elastic Elasticsearch
Exploitation
Public or AI PoC available; prioritize validation
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 存在缓冲区错误漏洞，该漏洞源于 _search API允许特制查询字符串导致堆栈溢出并最终导致拒绝服务。

CVSS 6.5 · Medium EPSS 61.73% · P99
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I. Basic Information for CVE-2023-31419

Vulnerability Information
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Vulnerability Title
Elasticsearch StackOverflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elasticsearch是一个基于Lucene库的搜索引擎。 Elasticsearch 存在缓冲区错误漏洞，该漏洞源于 _search API允许特制查询字符串导致堆栈溢出并最终导致拒绝服务。
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 7.0.0 ~ 7.17.12 -

II. Public POCs for CVE-2023-31419

# POC Description Source Link Shenlong Link
1 Elasticsearch Stack Overflow Vulnerability https://github.com/sqrtZeroKnowledge/Elasticsearch-Exploit-CVE-2023-31419 POC Details
2 Elasticsearch DoS CVE-2023-31419 exploit https://github.com/u238/Elasticsearch-CVE-2023-31419 POC Details
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III. Intelligence Information for CVE-2023-31419

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Vendor Advisories for CVE-2023-31419 (1)

Other References for CVE-2023-31419 (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-2023-31418 7.5 HIGH Elasticsearch uncontrolled resource consumption
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-121

V. Comments for CVE-2023-31419

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