CVE-2021-3422
Assigner: Splunk
Published: 2022-03-25T18:02:43
State: PUBLISHED
affected: product: Splunk Enterprise
vendor: Splunk
versions: status: affected
version: 8.2 version(s) before 8.2.0
status: affected
version: 8.1 version(s) before 8.1.3
status: affected
version: 8.0 version(s) before 8.0.9
status: affected
version: 7.3 version(s) before 7.3.9
credits: value: Sharon Brizinov and Tal Keren of Claroty
descriptions: value: The lack of validation of a key-value field in the Splunk-to-Splunk protocol results in a denial-of-service in Splunk Enterprise instances configured to index Universal Forwarder traffic. The vulnerability impacts Splunk Enterprise versions before 7.3.9, 8.0 versions before 8.0.9, and 8.1 versions before 8.1.3. It does not impact Universal Forwarders. When Splunk forwarding is secured using TLS or a Token, the attack requires compromising the certificate or token, or both. Implementation of either or both reduces the severity to Medium.
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
problemTypes: descriptions: cweId: CWE-125
description: CWE-125 Out-of-bounds Read
type: CWE
source: advisory: SVD-2022-0301
discovery: EXTERNAL
title: Indexer denial-of-service via malformed S2S request
x_generator: engine: advisoriator