What is the vulnerability ID?

The vulnerability ID is CVE-2021-34344.

What is the severity of CVE-2021-34344?

CVE-2021-34344 has a severity level of 9.8, which is considered critical.

Which software is affected by CVE-2021-34344?

The QNAP device running QUSBCam2 with versions up to and excluding 1.1.4 is affected by CVE-2021-34344.

How can CVE-2021-34344 be exploited?

If exploited, CVE-2021-34344 allows attackers to execute arbitrary code.

Has CVE-2021-34344 been fixed?

Yes, CVE-2021-34344 has been fixed in the following versions of QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4.

Vulnerability/
CVE-2021-34344

critical

9.8

CWE

787 119

10/9/2021

17/9/2024

CVE-2021-34344: Stack Buffer Overflow Vulnerability in QUSBCam2

First published: Fri Sep 10 2021(Updated: )

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

Credit: security@qnapsecurity.com.tw

Affected Software	Affected Version	How to fix
Qnap Qusbcam2	<1.1.4
QNAP QTS	=4.3.6
QNAP QTS	=4.5.4
QNAP QuTS hero	=h4.5.3

Remedy

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

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Reference Links

https://www.qnap.com/en/security-advisory/qsa-21-34

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2021-34344.
What is the severity of CVE-2021-34344?
CVE-2021-34344 has a severity level of 9.8, which is considered critical.
Which software is affected by CVE-2021-34344?
The QNAP device running QUSBCam2 with versions up to and excluding 1.1.4 is affected by CVE-2021-34344.
How can CVE-2021-34344 be exploited?
If exploited, CVE-2021-34344 allows attackers to execute arbitrary code.
Has CVE-2021-34344 been fixed?
Yes, CVE-2021-34344 has been fixed in the following versions of QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4.

agent/type
collector/nvd-index
agent/software-canonical-lookup-request
agent/weakness
agent/references
agent/author
agent/softwarecombine
agent/description
collector/mitre-cve
source/MITRE
agent/severity
agent/title
agent/last-modified-date
agent/remedy
agent/tags
agent/first-publish-date
agent/event
vendor/qnap
canonical/qnap qusbcam2
canonical/qnap qts
version/qnap qts/4.3.6
version/qnap qts/4.5.4
canonical/qnap quts hero
version/qnap quts hero/h4.5.3

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