title: QTS
description: A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating system. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors.
We have already fixed the vulnerability in the following versions:
QTS 4.3.6.2441 build 20230621 and later
QTS 4.3.3.2420 build 20230621 and later
QTS 4.2.6 build 20230621 and later
QTS 4.3.4.2451 build 20230621 and later
problem types: CWE-120
affected:
{
defaultStatus: unaffected
product: QTS
vendor: QNAP Systems Inc.
versions:
lessThan: 4.3.6.2441 build 20230621, status: affected, version: 4.3.*, versionType: custom
lessThan: 4.3.3.2420 build 20230621, status: affected, version: 4.3.*, versionType: custom
lessThan: 4.2.6 build 20230621, status: affected, version: 4.2.*, versionType: custom
lessThan: 4.3.4.2451 build 20230621, status: affected, version: 4.3.*, versionType: custom
status: unaffected, version: 4.5.*
status: unaffected, version: 5.*.*
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: We have already fixed the vulnerability in the following versions:
QTS 4.3.6.2441 build 20230621 and later
QTS 4.3.3.2420 build 20230621 and later
QTS 4.2.6 build 20230621 and later
QTS 4.3.4.2451 build 20230621 and later
