Resource exhaustion in Splunk Enterprise - CVE-2022-43572
Published: November 2, 2022
Vulnerability identifier: #VU68951
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-43572
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion by sending a malformed file through the Splunk-to-Splunk (S2S) or HTTP Event Collector (HEC) protocols to an indexer.
Affected software
Splunk Enterprise
How to mitigate CVE-2022-43572
Install updates from vendor's website.
Splunk Enterprise - addressed in versions 8.1.12, 8.2.9, 9.0.2