CVE-2023-22940 SPL Command Safeguards Bypass via the ‘collect’ SPL Command Aliases in Splunk Enterprise

Medium 6.3 Published Updated

Attackers can bypass SPL command safeguards to expose data to accessible summary indexes, requiring privileged user interaction in Splunk Web.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-22940?

CVE-2023-22940 is a medium-severity vulnerability in Splunk Splunk, published on 14 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, aliases of the ‘collect’ search processing language (SPL) command, including ‘summaryindex’, ‘sumindex’, ‘stash’,’ mcollect’, and ‘meventcollect’, were not designated as safeguarded commands. The commands could potentially allow for the exposing of data to a summary index that unprivileged users could access. The vulnerability requires a higher privileged user to initiate a request within their browser, and only affects instances with Splunk Web enabled.

Weakness: CWE-20

Which versions are affected by CVE-2023-22940?

It affects 2 products.

Products include Splunk Splunk, Splunk Splunk Cloud Platform.

How do I fix CVE-2023-22940?

No fix has been published for CVE-2023-22940 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-22940 being exploited?

There is no known exploitation of CVE-2023-22940 in the wild and no public exploit code.

All Splunk Splunk vulnerabilities

Sources

Also known as GHSA-h6fv-f2m3-r3mm.

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