PT-2022-10292 · Splunk · Splunk Enterprise

Kyle Bambrick · Published 2022-05-06 · Updated 2022-05-17 · CVE-2021-33845

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Splunk Enterprise versions prior to 8.1.7

Description The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. This issue impacts instances when configured to repress verbose login errors.

Recommendations For versions prior to 8.1.7, update to version 8.1.7 or later to resolve the issue. As a temporary workaround, consider configuring the instance to display verbose login errors to prevent username enumeration.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-33845

Affected Products

Splunk Enterprise

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-33845 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33845 · Vendor Advisory
• https://splunk.com/en_us/product-security/announcements/svd-2022-0502.html · Vendor Advisory
• https://research.splunk.com/application/splunk_user_enumeration_attempt · Vendor Advisory
• https://t.me/cibsecurity/42121 · Telegram Post
• https://t.me/cvenotify/30316 · Telegram Post