Vulnerability identifier: #VU80335

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40596

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

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

Vendor: Splunk Inc.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an untrusted search path for the OPENSSLDIR build definition. A local user can place a malicious dynamic library file (.dll) into a specific location on the system and execute arbitrary code with escalated privileges.

The vulnerability affects Windows installations only.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 9.1.0, 9.0.0 - 9.0.5, 8.2.0 - 8.2.11

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External links
http://advisory.splunk.com/advisories/SVD-2023-0805

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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