#VU68946 Deserialization of Untrusted Data in Splunk Enterprise - CVE-2022-43567

Vulnerability identifier: #VU68946

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-43567

CWE-ID: CWE-502

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 execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the mobile alerts feature in the Splunk Secure Gateway app. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.0.0 - 8.0.10, 8.1.0 - 8.1.11, 8.2.0 - 8.2.8, 9.0.0 - 9.0.1

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External links
https://www.splunk.com/en_us/product-security/announcements/svd-2022-1107.html

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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.