#VU98541 Path traversal in Splunk Enterprise - CVE-2024-45731

Vulnerability identifier: #VU98541

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-45731

CWE-ID: CWE-22

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 compromise the affected system.

The vulnerability exists due to input validation error when processing filenames. A remote user can write a .dll file to the Windows system root directory, which has a default location in the Windows System32 folder, and execute it with elevated privileges.

Note, the vulnerability affects Splunk Enterprise for Windows when installed on a separate drive.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Splunk Enterprise: 9.0.4 - 9.0.10, 9.1.0 - 9.1.5, 9.2.0 - 9.2.2, 9.3.0

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External links
https://advisory.splunk.com/advisories/SVD-2024-1001
https://research.splunk.com/application/c97e0704-d9c6-454d-89ba-1510a987bf72/

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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.