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AUSCERT External Security Bulletin Redistribution
ESB-2023.1005
SVD-2023-0208: Permissions Validation Failure in the
'sendemail' REST API Endpoint in Splunk Enterprise
17 February 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: Splunk Enterprise
Publisher: Splunk
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2023-22938
Original Bulletin:
https://advisory.splunk.com//advisories/SVD-2023-0208
Comment: CVSS (Max): 4.3 CVE-2023-22938 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
CVSS Source: Splunk
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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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
CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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
Product Version Component Affected Version Fix Version
Splunk Enterprise 8.1 Splunk Web 8.1.12 and lower 8.1.13
Splunk Enterprise 8.2 Splunk Web 8.2.0 to 8.2.9 8.2.10
Splunk Enterprise 9.0 Splunk Web 9.0.0 to 9.0.3 9.0.4
Splunk Cloud Platform - Splunk Web 9.2.2209 and lower 9.0.2212
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
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