Persistent Cross-Site Scripting via a Data Model object name in Splunk Enterprise
Advisory ID: SVD-2022-1109
CVE ID: CVE-2022-43569
Published: 2022-11-02
Last Update: 2022-11-02
CVSSv3.1 Score: 8.0, High, High
CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-79
Bug ID: SPL-228087
Description
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can inject and store arbitrary scripts that can lead to persistent cross-site scripting (XSS) in the object name of a Data Model.
Solution
For Splunk Enterprise, upgrade versions to 8.1.12, 8.2.9, 9.0.2, or higher.
For Splunk Cloud Platform, Splunk is actively patching and monitoring the Splunk Cloud instances.
Product Status
| Product | Version | Component | Affected Version | Fix 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 | 9.0.2208 and lower | 9.0.2209 |
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
This detection search provides information on exploitation attempts against vulnerable instances in Splunk Enterprise versions 8.1.12, 8.2.9, and 9.0.2 via persistent cross site scripting via a Data Model object name.
Severity
Splunk rates the vulnerability as High, 8.0, with a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H. The vulnerability requires user access to create a Data Model. If the Splunk Enterprise instance does not run Splunk Web, there is no impact and the severity is Informational.
Acknowledgments
Danylo Dmytriiev (DDV_UA)