#VU77074 Uncaught Exception in Splunk Enterprise and Splunk Cloud Platform - CVE-2023-22941

Vulnerability identifier: #VU77074

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-22941

CWE-ID: CWE-248

Exploitation vector: Network

Exploit availability: No

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

Vendor: Splunk Inc.

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to uncaught exception in the "INGEST_EVAL" parameter. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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

Splunk Cloud Platform: 9.0.2209

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External links
https://advisory.splunk.com/advisories/SVD-2023-0211
https://research.splunk.com/application/08978eca-caff-44c1-84dc-53f17def4e14/

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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.