Permissions Validation Failure in the ‘sendemail’ REST API Endpoint in Splunk Enterprise

Advisory ID: SVD-2023-0208

CVE ID: CVE-2023-22938

Published: 2023-02-14

Last Update: 2023-02-14

CVSSv3.1 Score: 4.3, Medium

CWE: CWE-285

Bug ID: SPL-229337

Description

In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘sendemail’ REST API endpoint lets any authenticated user send an email as the Splunk instance. The endpoint is now restricted to the ‘splunk-system-user’ account on the local instance.

Solution

For Splunk Enterprise, upgrade versions to 8.1.13, 8.2.10, 9.0.4, or higher.

For Splunk Cloud Platform, Splunk is actively patching and monitoring the Splunk Cloud instances.

Product Status

ProductVersionComponentAffected VersionFix Version
Splunk Enterprise8.1Splunk Web8.1.12 and lower8.1.13
Splunk Enterprise8.2Splunk Web8.2.0 to 8.2.98.2.10
Splunk Enterprise9.0Splunk Web9.0.0 to 9.0.39.0.4
Splunk Cloud Platform-Splunk Web9.0.2209 and lower9.0.2212

Mitigations and Workarounds

None

Detections

None

Severity

Splunk rated the vulnerability as Medium, 4.3, with a CVSSv3.1 vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Acknowledgments

James Ervin, Splunk