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CVE-2023-46666— Elastic Sharepoint Online Python Connector Improper Access Control

Quick assessment

Affected
Elastic Elastic Sharepoint Online Python Connector
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 Elastic Sharepoint Online Python 连接器中使用文档级安全性和 SPO “Limited Access” 功能时，如果为用户分配了对 Sharepoint 站点上某个项目的有限访问权限，则该用户将拥有通过 Elasticsearch 读取 Sharepoint 站点上所有内容的权限。

CVSS 5.3 · Medium EPSS 0.36% · P28

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-46666

Vulnerability Information
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Vulnerability Title
Elastic Sharepoint Online Python Connector Improper Access Control
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered when using Document Level Security and the SPO "Limited Access" functionality in Elastic Sharepoint Online Python Connector. If a user is assigned limited access permissions to an item on a Sharepoint site then that user would have read permissions to all content on the Sharepoint site through Elasticsearch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Elasticsearch 安全漏洞
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 Elastic Sharepoint Online Python 连接器中使用文档级安全性和 SPO “Limited Access” 功能时，如果为用户分配了对 Sharepoint 站点上某个项目的有限访问权限，则该用户将拥有通过 Elasticsearch 读取 Sharepoint 站点上所有内容的权限。
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 Elastic Sharepoint Online Python Connector <8.10.3.0 -

II. Public POCs for CVE-2023-46666

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III. Intelligence Information for CVE-2023-46666

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Other References for CVE-2023-46666 (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-2023-31419 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-2023-31416 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 vendor: Elastic
Same weakness: CWE-284

V. Comments for CVE-2023-46666

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