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CVE-2017-8438

Quick assessment

Affected
Elastic X-Pack Security
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 X-Pack是荷兰Elasticsearch公司的一个Elastic Stack（日志分析系统）的扩展。Security是其中的一个用来控制访问权限的功能。 Elastic X-Pack Security 5.0.0版本至5.4.0版本中的run_as功能存在提权漏洞。攻击者可利用该漏洞获取提升的权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.03% · P62

Possible ATT&CK Techniques 2 AI

T1078 · Valid Accounts T1210.002
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I. Basic Information for CVE-2017-8438

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Elastic X-Pack Security versions 5.0.0 to 5.4.0 contain a privilege escalation bug in the run_as functionality. This bug prevents transitioning into the specified user specified in a run_as request. If a role has been created using a template that contains the _user properties, the behavior of run_as will be incorrect. Additionally if the run_as user specified does not exist, the transition will not happen.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic X-Pack Security 权限许可和访问控制漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic X-Pack是荷兰Elasticsearch公司的一个Elastic Stack（日志分析系统）的扩展。Security是其中的一个用来控制访问权限的功能。 Elastic X-Pack Security 5.0.0版本至5.4.0版本中的run_as功能存在提权漏洞。攻击者可利用该漏洞获取提升的权限。
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 X-Pack Security 5.0.0 to 5.4.0 -

II. Public POCs for CVE-2017-8438

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III. Intelligence Information for CVE-2017-8438

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Security Blog Posts for CVE-2017-8438 (1)

Other References for CVE-2017-8438 (2)

Same Patch Batch · Elastic · 2017-06-05 · 4 CVEs total

CVE-2017-8439 Elasticsearch Kibana 跨站脚本漏洞
CVE-2017-8440 Elasticsearch Kibana 跨站脚本漏洞
CVE-2017-8441 Elastic X-Pack Security 权限许可和访问控制漏洞

IV. Related Vulnerabilities

Same product: X-Pack Security
Same vendor: Elastic
Same weakness: CWE-284

V. Comments for CVE-2017-8438

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