CVE-2021-34344

Stack Buffer Overflow Vulnerability in QUSBCam2

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Se ha reportado de una vulnerabilidad de desbordamiento del búfer de la pila que afecta al dispositivo QNAP que ejecuta QUSBCam2. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar código arbitrario. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4 (30/07/2021) y posteriores QTS 5.0: QUSBCam2 2.0.1 (03/08/2021) y posteriores QTS 4.3.6: QUSBCam2 1.1.4 (30/07/2021) y posteriores QTS 4.3.3: QUSBCam2 1.1.4 ( 06/08/2021) y posteriores QuTS hero 4.5.3: QUSBCam2 1.1.4 (30/07/2021) y posteriores

*Credits: crixer

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-08 CVE Reserved
2021-09-10 CVE Published
2024-08-16 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.qnap.com/en/security-advisory/qsa-21-34	2022-02-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Qnap Search vendor "Qnap"	Qusbcam2 Search vendor "Qnap" for product "Qusbcam2"	< 1.1.4 Search vendor "Qnap" for product "Qusbcam2" and version " < 1.1.4"	-	Affected	in	Qnap Search vendor "Qnap"	Qts Search vendor "Qnap" for product "Qts"	4.3.6 Search vendor "Qnap" for product "Qts" and version "4.3.6"	-	Safe
Qnap Search vendor "Qnap"	Qusbcam2 Search vendor "Qnap" for product "Qusbcam2"	< 1.1.4 Search vendor "Qnap" for product "Qusbcam2" and version " < 1.1.4"	-	Affected	in	Qnap Search vendor "Qnap"	Qts Search vendor "Qnap" for product "Qts"	4.5.4 Search vendor "Qnap" for product "Qts" and version "4.5.4"	-	Safe
Qnap Search vendor "Qnap"	Qusbcam2 Search vendor "Qnap" for product "Qusbcam2"	< 1.1.4 Search vendor "Qnap" for product "Qusbcam2" and version " < 1.1.4"	-	Affected	in	Qnap Search vendor "Qnap"	Quts Hero Search vendor "Qnap" for product "Quts Hero"	h4.5.3 Search vendor "Qnap" for product "Quts Hero" and version "h4.5.3"	-	Safe