Headline
CVE-2022-43570: SVD-2022-1110 | Splunk
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can perform an extensible markup language (XML) external entity (XXE) injection via a custom View. The XXE injection causes Splunk Web to embed incorrect documents into an error.
Advisory ID: SVD-2022-1110
Published: 2022-11-02
CVSSv3.1 Score: 8.8, High
CWE: CWE-611
CVE ID: CVE-2022-43570
Last Update: 2022-11-02
CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Bug ID: SPL-228310
Description
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can perform an extensible markup language (XML) external entity (XXE) injection via a custom View. The XXE injection causes Splunk Web to embed incorrect documents into an error.
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. 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
9.0.2208 and lower
9.0.2209
Mitigations and Workarounds
Workarounds include restricting who can upload lookup files and disabling Splunk Web. The vulnerability affects instances with Splunk Web enabled. See Disable unnecessary Splunk Enterprise components and the web.conf configuration specification file for more information on disabling Splunk Web.
Detections
None
**Severity **
Splunk rates the vulnerability as High, 8.8, with a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
If the Splunk Enterprise instance does not run Splunk Web, there is no impact and the severity is Informational.
Acknowledgments
Danylo Dmytriiev (DDV_UA)
Questions? Submit your question to Splunk Support.