CVE-2022-43572 - Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise

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HIGH

Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise

Published Nov 4, 2022

7.5

HIGH

CVSS 3.1

EPSS 0.82%

Description

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.

Affected products

Vendor Splunk Product Splunk Enterprise Default
affected
- Version
  8.1
  Status
  affected
  Constraints
  <8.1.12
- Version
  8.2
  Status
  affected
  Constraints
  <8.2.9
- Version
  9.0
  Status
  affected
  Constraints
  <9.0.2

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Splunk

Splunk Enterprise

affected

Version	Status	Constraints
8.1	affected	<8.1.12
8.2	affected	<8.2.9
9.0	affected	<9.0.2

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-400

Uncontrolled Resource Consumption

CWE-94

Code Injection

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-46568
Advisory
https://www.splunk.com/en_us/product-security/announcements/svd-2022-1111.html
Not ApplicableVendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-46568		Advisory
https://www.splunk.com/en_us/product-security/announcements/svd-2022-1111.html		Not ApplicableVendor Advisory