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AUSCERT External Security Bulletin Redistribution
ESB-2022.4100
Information disclosure via the dashboard drilldown in Splunk Enterprise
18 August 2022
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AusCERT Security Bulletin Summary
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Product: Splunk Enterprise
Publisher: Splunk
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2022-37438
Original Bulletin:
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0802.html
Comment: CVSS (Max): 2.6 CVE-2022-37438 (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N)
CVSS Source: Splunk
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
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Splunk / Product Security / SVD-2022-0802
Information disclosure via the dashboard drilldown in Splunk Enterprise
Advisory ID: SVD-2022-0802
Published: 2022-08-16
Last Update: 2022-08-16
CVE ID: CVE-2022-37438
CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
CVSSv3.1 Score: 2.6, Low
Bug ID: SPL-221531
CWE: CWE-200
Security Content: Splunk account discovery drilldown dashboard disclosure
Description
In Splunk Enterprise versions in the following table, an authenticated user can
craft a dashboard that could potentially leak information (for example,
username, email, and real name) about Splunk users, when visited by another
user through the drilldown component. The vulnerability requires user access to
create and share dashboards using Splunk Web.
Solution
For Splunk Enterprise, upgrade versions to 8.1.11, 8.2.7.1, 9.0.1, or higher.
For Splunk Cloud Platform customers, Splunk is actively patching and monitoring
Splunk Cloud instances.
Product Status
Product Version Component Affected Version Fixed Version
Splunk Enterprise 8.1 Splunk Web 8.1.10 and lower 8.1.11
Splunk Enterprise 8.2 Splunk Web 8.2.0 to 8.2.7 8.2.7.1
Splunk Enterprise 9.0 Splunk Web 9.0.0 9.0.1
Splunk Cloud Platform - Splunk Web 8.2.2203.4 and lower 9.0.2205
Mitigations and Workarounds
You can mitigate this vulnerability by configuring permissions for dashboards
and the knowledge objects that drive them.
Detection
Splunk account discovery drilldown dashboard disclosure
This search uses REST functionality to query for dashboards with environment
variables present in URL options that could potentially leak information about
Splunk users. If an analyst sees results from this search we suggest
investigating to determine if the disclosure of these environmental variables
was intended.
Severity
Splunk rates the severity as Low, 2.6 with the vector CVSS:3.1/AV:N/AC:H/PR:L/
UI:R/S:U/C:H/I:N/A:N . If the Splunk Enterprise instance disabled Splunk Web ,
it is not impacted and the vulnerability is informational.
Acknowledgments
Eric LaMothe at Splunk
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