QID 378601

Date Published: 2023-07-04

QID 378601: Splunk Enterprise Role-based Access Control (RBAC) Bypass Vulnerability (SVD-2023-0612)

An unauthorized user can access the /services/indexing/preview REST endpoint to overwrite search results if they know the search ID (SID) of an existing search job.

Affected Versions:
Splunk versions 8.1.0 to 8.1.13
Splunk versions 8.2.0 to 8.2.10
Splunk versions 9.0.0 to 9.0.4

QID Detection Logic(Authenticated)
Linux: Checks for installed vulnerable version of Splunk Enterprise from "/etc/splunk.version" file either in "/opt/splunk" directory or using "$SPLUNK_HOME" environment variable.
Windows: Checks for installed vulnerable version of Splunk from "/etc/splunk.version" file using registry "HKLM\SYSTEM\CurrentControlSet\Services\Splunkd".

Successful exploit may allow an unauthorized user access to /services/indexing/preview REST endpoint to overwrite search results if they know the search ID (SID) of an existing search job.

CVSS V3 rated as Medium - 4.3 severity.

CVSS V2 rated as Medium - 4 severity.

Solution

Vendor has released updated versions to fix these vulnerabilities. Please refer SVD-2023-0612 for more details.

Workaround:
Remove the edit_monitor and edit_upload_and_index capabilities from roles that low-privilege user accounts hold. Ensure that all REST endpoints have the proper access control lists (ACLs) applied to them.

Vendor References

SVD-2023-0612 - advisory.splunk.com/advisories/SVD-2023-0612

CVEs related to QID 378601

CVE-2023-32717 |

Software Advisories

Advisory ID	Software	Component	Link
SVD-2023-0612			advisory.splunk.com/advisories/SVD-2023-0612

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