#VU72379 Input validation error in Splunk Enterprise - CVE-2023-22937

Vulnerability identifier: #VU72379

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-22937

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Splunk Enterprise
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Splunk Inc.

Description

The vulnerability allows a remote user to upload files with unnecessary extensions.

The vulnerability exists due to the application allows users to upload lookup tables with unnecessary filename extensions. A remote user with the "upload_lookup_files" capability can upload files with unexpected extensions, which can have certain impact on the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.0.0 - 8.0.10, 8.1.0 - 8.1.12, 8.2.0 - 8.2.9, 9.0.0 - 9.0.3

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External links
https://research.splunk.com/application/6e51e403-b3dc-43a1-a682-01f1cf467b91/
https://advisory.splunk.com/advisories/SVD-2023-0207

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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.