Improper access restrictions in Elastic Sharepoint Online Python Connector

1) Improper access control

EUVDB-ID: #VU93638

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-46666

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:elastic_stack:elastic_sharepoint_online_python_connector:*:*:*:*:*:*:*:

External links

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

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.