CVE-2022-43572: Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise
First published: Fri Nov 04 2022(Updated: )
In Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2, sending a malformed file through the Splunk-to-Splunk (S2S) or HTTP Event Collector (HEC) protocols to an indexer results in a blockage or denial-of-service preventing further indexing.
Credit: prodsec@splunk.com prodsec@splunk.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Splunk Splunk | >=8.1.0<8.1.12 | |
| Splunk Splunk | >=8.2.0<8.2.9 | |
| Splunk Splunk | >=9.0.0<9.0.2 | |
| Splunk Splunk Cloud Platform | <9.0.2209 | |
| >=8.1.0<8.1.12 | ||
| >=8.2.0<8.2.9 | ||
| >=9.0.0<9.0.2 | ||
| <9.0.2209 |
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Frequently Asked Questions
What is CVE-2022-43572?
CVE-2022-43572 is a vulnerability in Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2 that allows a denial-of-service attack by sending a malformed file through the Splunk-to-Splunk (S2S) or HTTP Event Collector (HEC) protocols.
How does CVE-2022-43572 affect Splunk Enterprise?
CVE-2022-43572 affects Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2, causing a blockage or denial-of-service that prevents further indexing.
Which versions of Splunk Enterprise are affected by CVE-2022-43572?
CVE-2022-43572 affects Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2.
What is the severity of CVE-2022-43572?
CVE-2022-43572 has a severity level of 6.5 (high).
How can I fix CVE-2022-43572?
To fix CVE-2022-43572, upgrade Splunk Enterprise to version 8.2.9, 8.1.12, or 9.0.2.
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
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- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/author
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- agent/event
- vendor/splunk
- canonical/splunk splunk
- version/splunk splunk/8.1.0
- version/splunk splunk/8.2.0
- version/splunk splunk/9.0.0
- canonical/splunk splunk cloud platform