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AUSCERT External Security Bulletin Redistribution
ESB-2023.1008
SVD-2023-0211: Improperly Formatted 'INGEST_EVAL' Parameter
Crashes Splunk Daemon
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
Original Bulletin:
https://advisory.splunk.com//advisories/SVD-2023-0211
Comment: CVSS (Max): 6.5 CVE-2023-22941 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
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:N/A:H
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Improperly Formatted 'INGEST_EVAL' Parameter Crashes Splunk Daemon
Advisory ID: SVD-2023-0211
CVE ID: CVE-2023-22941
Published: 2023-02-14
Last Update: 2023-02-14
CVSSv3.1 Score: 6.5, Medium
CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-248
Bug ID: SPL-232645
Description
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, an
improperly-formatted 'INGEST_EVAL' parameter in a Field Transformation crashes
the Splunk daemon (splunkd).
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 9.0.2209 and lower 9.0.2212
Mitigations and Workarounds
None
Detections
o Splunk Improperly Formatted Parameter Crashes splunkd
This hunting search provides information on who executed the crashing command,
and when and how often the command was executed.
Severity
Splunk rated the vulnerability as Medium, 6.5, with a CVSSv3.1 vector of
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. The vulnerability requires
compromising a user account with the capability to create or edit a Field
transformation or run the 'ingestpreview' command via Search.
Acknowledgments
James Ervin, Splunk
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