#VU68941 Improper Neutralization of HTTP Headers for Scripting Syntax in Splunk Enterprise - CVE-2022-43562

Vulnerability identifier: #VU68941

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-43562

CWE-ID: CWE-644

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 attacker to perform XSS attacks.

The vulnerability exists due to insufficient validation of HTTP headers. A remote authenticated user can inject a malicious Host HTTP header into the server response and perform XSS or cache injection attacks.

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-2022-1102.html

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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.