CVE-2022-43568: SVD-2022-1108 | Splunk

Advisory ID: SVD-2022-1108

Published: 2022-11-02

CVSSv3.1 Score: 8.8, High

CWE: CWE-79

CVE ID: CVE-2022-43568

Last Update: 2022-11-02

CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Bug ID: SPL-228379

Description

In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, a View allows for a Reflected Cross Site Scripting via JavaScript Object Notation (JSON) in a query parameter when output_mode=radio.

Solution

For Splunk Enterprise, upgrade versions to 8.1.12, 8.2.9, 9.0.2, or higher.

For Splunk Cloud Platform versions below 9.0.2205, Splunk is actively patching and monitoring the Splunk Cloud instances. To request an immediate upgrade, determine which version of Splunk Cloud Platform you’re running, then create a new support case.

Product Status

Product

Version

Component

Affected Version

Fixed Version

Splunk Enterprise

8.1

Splunk Web

8.1.11 and lower

8.1.12

Splunk Enterprise

8.2

Splunk Web

8.2.0 to 8.2.8

8.2.9

Splunk Enterprise

9.0

Splunk Web

9.0.0 to 9.0.1

9.0.2

Splunk Cloud Platform

-

Splunk Web

9.0.2203.4 and lower

9.0.2205

Mitigations and Workarounds

The vulnerability affects instances with Splunk Web enabled, disabling Splunk Web is a possible workaround. See Disable unnecessary Splunk Enterprise components and the web.conf configuration specification file for more information on disabling Splunk Web.

Detections

Splunk Reflected XSS in the templates lists radio

Splunk versions 8.1.0, 8.2.0, and 9.0.0 are vulnerable to reflected cross site scripting (XSS) exploitation leading to Local File Inclusion (LFI) in the Splunk Assist application. This detection search provides information on exploitation attempts.

**Severity **

Splunk rates the vulnerability as High, 8.8, with a CVSS Vectors of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability requires user interaction within a browser. If the Splunk Enterprise instance does not run Splunk Web, there is no impact and the severity is Informational.

Acknowledgments

Danylo Dmytriiev (DDV_UA)