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AUSCERT External Security Bulletin Redistribution
ESB-2023.0998
SVD-2023-0201: 'createrss' External Search Command
Overwrites Existing RSS Feeds 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-2023-22931
Original Bulletin:
https://advisory.splunk.com//advisories/SVD-2023-0201
Comment: CVSS (Max): 4.3 CVE-2023-22931 (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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'createrss' External Search Command Overwrites Existing RSS Feeds in Splunk
Enterprise
Advisory ID: SVD-2023-0201
CVE ID: CVE-2023-22931
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-216628
Description
In Splunk Enterprise versions below 8.1.13 and 8.2.10, the 'createrss' external
search command overwrites existing Resource Description Format Site Summary
(RSS) feeds without verifying permissions. This feature has been deprecated and
disabled by default.
Solution
For Splunk Enterprise, upgrade versions to 8.1.13, 8.2.10, 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 Search 8.1.12 and lower 8.1.13
Splunk Enterprise 8.2 Search 8.2.0 to 8.2.9 8.2.10
Splunk Enterprise 9.0 - Not affected -
Splunk Cloud Platform - Search 8.2.2202 and lower 8.2.2203
Mitigations and Workarounds
None
Detections
o Splunk Risky Command Abuse disclosed February 2023
This hunting search includes the 'createrss' command which can be used to
identify potential misuse.
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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