title: Stack Buffer Overflow Vulnerability in QUSBCam2
description: A stack buffer overflow vulnerability has been reported to affect QNAP device running QUSBCam2. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 5.0: QUSBCam2 2.0.1 ( 2021/08/03 ) and later QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 4.3.3: QUSBCam2 1.1.4 ( 2021/08/06 ) and later QuTS hero 4.5.3: QUSBCam2 1.1.4 ( 2021/07/30 ) and later
problem types: CWE-787 Out-of-bounds Write
affected:
{
platforms: QTS 4.5.4
product: QUSBCam2
vendor: QNAP Systems Inc.
versions:
lessThan: 1.1.4 ( 2021/07/30 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 5.0
product: QUSBCam2
vendor: QNAP Systems Inc.
versions:
lessThan: 2.0.1 ( 2021/08/03 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.6
product: QUSBCam2
vendor: QNAP Systems Inc.
versions:
lessThan: 1.1.4 ( 2021/07/30 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.3
product: QUSBCam2
vendor: QNAP Systems Inc.
versions:
lessThan: 1.1.4 ( 2021/08/06 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QuTS hero 4.5.3
product: QUSBCam2
vendor: QNAP Systems Inc.
versions:
lessThan: 1.1.4 ( 2021/07/30 ), status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: We have already fixed this vulnerability in the following versions of QUSBCam2:
QTS 4.5.4: QUSBCam2 1.1.4 ( 2021/07/30 ) and later
QTS 5.0: QUSBCam2 2.0.1 ( 2021/08/03 ) and later
QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later
QTS 4.3.3: QUSBCam2 1.1.4 ( 2021/08/06 ) and later
QuTS hero 4.5.3: QUSBCam2 1.1.4 ( 2021/07/30 ) and later