#VU76916 Improper Authorization in Splunk Enterprise - CVE-2023-32709

Vulnerability identifier: #VU76916

Vulnerability risk: Medium

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-32709

CWE-ID: CWE-285

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 escalate privileges within the application.

The vulnerability exists due to application does not properly restrict access to sensitive information. A remote user with "user" capability can use the "rest" SPL command against the ‘conf-user-seed’ REST endpoint to disclose the hashed version of the initial user name and password for the Splunk instance.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.1.0 - 8.1.13, 8.2.0 - 8.2.10, 9.0.0 - 9.0.4

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External links
https://research.splunk.com/application/a1be424d-e59c-4583-b6f9-2dcc23be4875/
https://advisory.splunk.com/advisories/SVD-2023-0604

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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