#VU93638 Improper access control in Elastic Sharepoint Online Python Connector - CVE-2023-46666

Vulnerability identifier: #VU93638

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-46666

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Elastic Sharepoint Online Python Connector
Server applications / Other server solutions

Vendor: Elastic Stack

Description

The vulnerability allows a remote user to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions 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 can read permissions to all content on the Sharepoint site through Elasticsearch.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Elastic Sharepoint Online Python Connector: before 8.10.3

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External links
http://discuss.elastic.co/t/elastic-sharepoint-online-python-connector-v8-10-3-0-security-update/344732

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.