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CVE-2023-46667— Fleet Server Insertion of Sensitive Information into Log File

Quick assessment

Affected
Elastic Fleet Server
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，该漏洞源于在部分版本 Fleet Server 中发现了一个问题，其中代理注册令牌以纯文本形式插入到 Fleet Server 的日志文件中。

CVSS 8.1 · High EPSS 0.55% · P44
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I. Basic Information for CVE-2023-46667

Vulnerability Information
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Vulnerability Title
Fleet Server Insertion of Sensitive Information into Log File
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Fleet Server >= v8.10.0 and < v8.10.3 where Agent enrolment tokens are being inserted into the Fleet Server’s log file in plain text. These enrolment tokens could allow someone to enrol an agent into an agent policy, and potentially use that to retrieve other secrets in the policy including for Elasticsearch and third-party services. Alternatively a threat actor could potentially enrol agents to the clusters and send arbitrary events to Elasticsearch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch 日志信息泄露漏洞
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，该漏洞源于在部分版本 Fleet Server 中发现了一个问题，其中代理注册令牌以纯文本形式插入到 Fleet Server 的日志文件中。
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 Fleet Server 8.10.0 ~ 8.10.3 -

II. Public POCs for CVE-2023-46667

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III. Intelligence Information for CVE-2023-46667

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Other References for CVE-2023-46667 (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-2023-31418 7.5 HIGH Elasticsearch uncontrolled resource consumption
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: Fleet Server
Same vendor: Elastic
Same weakness: CWE-532

V. Comments for CVE-2023-46667

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