CVE-2022-21208
Assigner: snyk
Published: 2022-08-23T00:00:00
State: PUBLISHED
affected: product: node-opcua
vendor: n/a
versions: lessThan: 2.74.0
status: affected
version: unspecified
versionType: custom
credits: value: Vera Mens
value: Uri Katz
value: Sharon Brizinov of Team82 (Claroty Research)
datePublic: 2022-08-23T00:00:00
descriptions: value: The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
exploitCodeMaturity: PROOF_OF_CONCEPT
integrityImpact: NONE
privilegesRequired: NONE
remediationLevel: NOT_DEFINED
reportConfidence: NOT_DEFINED
scope: UNCHANGED
temporalScore: 7.1
temporalSeverity: HIGH
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
version: 3.1
problemTypes: descriptions: description: Denial of Service (DoS)
type: text
title: Denial of Service (DoS)