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CVE-2021-22143— Elastic APM .NET Agent information disclosure

Quick assessment

Affected
Elastic Elastic APM .NET Agent
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.

Elastic APM是荷兰Elastic公司的用于监控和分析应用程序性能的平台。 Elastic APM .NET Agent 存在安全漏洞，该漏洞源于代理在应用程序错误期间记录详细信息时泄漏敏感的 HTTP 标头信息。远程攻击者可以拦截发送到服务器的流量并访问通过 HTTP 标头发送的潜在敏感信息。以下产品及版本受到影响：Elastic APM .NET Agent : 0.0.1.0, 0.0.2.0, 1.0.0, 1.0.0 beta1, 1.0.1, 1.1.0, 1.1.1, 1.1.2,

CVSS 2.1 · Low EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-22143

Vulnerability Information
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Vulnerability Title
Elastic APM .NET Agent information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application error it is possible the headers will not be sanitized before being sent.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic APM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic APM是荷兰Elastic公司的用于监控和分析应用程序性能的平台。 Elastic APM .NET Agent 存在安全漏洞，该漏洞源于代理在应用程序错误期间记录详细信息时泄漏敏感的 HTTP 标头信息。远程攻击者可以拦截发送到服务器的流量并访问通过 HTTP 标头发送的潜在敏感信息。以下产品及版本受到影响：Elastic APM .NET Agent : 0.0.1.0, 0.0.2.0, 1.0.0, 1.0.0 beta1, 1.0.1, 1.1.0, 1.1.1, 1.1.2,
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 Elastic APM .NET Agent 1.0.0 ~ 1.10.0 -

II. Public POCs for CVE-2021-22143

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III. Intelligence Information for CVE-2021-22143

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Other References for CVE-2021-22143 (2)

Same Patch Batch · Elastic · 2023-11-22 · 7 CVEs total

CVE-2021-37942 7.0 HIGH APM Java Agent Local Privilege Escalation
CVE-2021-22142 6.6 MEDIUM Kibana Reporting vulnerabilities
CVE-2021-22150 6.6 MEDIUM Kibana code execution issue
CVE-2023-46673 6.5 MEDIUM Elasticsearch 安全漏洞
CVE-2021-37937 5.9 MEDIUM Elasticsearch privilege escalation
CVE-2021-22151 3.1 LOW Kibana path traversal issue

IV. Related Vulnerabilities

Same vendor: Elastic
Same weakness: CWE-200

V. Comments for CVE-2021-22143

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