CVE-2022-43571

published 2022-11-03

CVE-2022-43571: In Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2, an authenticated user can execute arbitrary code through the dashboard PDF generation component.

Priority P2 68 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

EXPLOIT

In Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2, an authenticated user can execute arbitrary code through the dashboard PDF generation component.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
splunk	splunk	>= 8.1.0 < 8.1.12	8.1.12
splunk	splunk	>= 8.2.0 < 8.2.9	8.2.9
splunk	splunk	>= 9.0.0 < 9.0.2	9.0.2
splunk	splunk_cloud_platform	< 9.0.2209	9.0.2209
splunk	splunk_enterprise	>= 8.1 < 8.1.12	8.1.12
splunk	splunk_enterprise	>= 8.2 < 8.2.9	8.2.9
splunk	splunk_enterprise	>= 9.0 < 9.0.2	9.0.2

Detection & IOCs extracted from sources · hover to see the quote

url /en-US/splunkd/__raw/servicesNS/nobody/search/data/ui/views↗

path /en-US/splunkd/__raw/servicesNS/nobody/search/data/ui/views↗

• → Monitor Splunk dashboard SimpleXML definitions for Python code injected into style parameters such as fillColor or lineColor of sparkline elements. ↗
• → Alert on authenticated POST requests to Splunk's dashboard/views API endpoint followed closely by a PDF export trigger, which is the execution vector for this vulnerability. ↗
• → Inspect Splunk dashboard XML payloads for embedded Python expressions or imports within sparkline chart style attributes (fillColor, lineColor), which are not expected in legitimate dashboards. ↗
• → Flag Splunk Enterprise instances running versions below 8.1.12, 8.2.0–8.2.9, or 9.0.0–9.0.2 as vulnerable to this authenticated RCE via PDF generation. ↗

• · Exploitation requires an authenticated session; unauthenticated access alone is insufficient to trigger this RCE. ↗
• · The vulnerability is specifically triggered via the PDF export function; dashboards that are never exported to PDF do not expose the execution path. ↗

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CWE-94