CVE-2021-34344— Stack Buffer Overflow Vulnerability in QUSBCam2
Quick assessment
Affected
QNAP Systems Inc. QUSBCam2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
QNAP NAS是中国QNAP公司的一个可访问且快速的存储解决方案。 QNAP NAS 存在安全漏洞，远程未经身份验证的攻击者可以触发基于堆栈的缓冲区溢出并在目标系统上执行任意代码。以下产品及版本受到影响：QUSBCam2: 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.0.9, 1.1.0, 1.1.1, 1.1.2, 1.1.3。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-34344
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Stack Buffer Overflow Vulnerability in QUSBCam2
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP NAS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP NAS是中国QNAP公司的一个可访问且快速的存储解决方案。 QNAP NAS 存在安全漏洞，远程未经身份验证的攻击者可以触发基于堆栈的缓冲区溢出并在目标系统上执行任意代码。以下产品及版本受到影响：QUSBCam2: 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.0.9, 1.1.0, 1.1.1, 1.1.2, 1.1.3。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| QNAP Systems Inc. | QUSBCam2 | unspecified ~ 1.1.4 ( 2021/07/30 ) | - |
|
| QNAP Systems Inc. | QUSBCam2 | unspecified ~ 2.0.1 ( 2021/08/03 ) | - |
|
| QNAP Systems Inc. | QUSBCam2 | unspecified ~ 1.1.4 ( 2021/07/30 ) | - |
|
| QNAP Systems Inc. | QUSBCam2 | unspecified ~ 1.1.4 ( 2021/08/06 ) | - |
|
| QNAP Systems Inc. | QUSBCam2 | unspecified ~ 1.1.4 ( 2021/07/30 ) | - |
|
II. Public POCs for CVE-2021-34344
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-34344
请登录查看更多情报信息。
Other References for CVE-2021-34344 (1)
-
https://www.qnap.com/en/security-advisory/qsa-21-34 x_refsource_MISC
Same Patch Batch · QNAP Systems Inc. · 2021-09-10 · 7 CVEs total
| CVE-2021-34345 | 9.8 CRITICAL | Stack Based Overflow Vulnerability in NVR Storage Expansion |
| CVE-2021-34346 | 9.8 CRITICAL | Stack Based Overflow Vulnerability in NVR Storage Expansion |
| CVE-2021-28813 | 9.6 CRITICAL | Insufficiently Protected Credentials Vulnerability in QSW-M2116P-2T2S and QuNetSwitch |
| CVE-2021-28816 | 7.6 HIGH | Stack Buffer Overflow Vulnerabilities in QTS, QuTS hero, and QuTScloud |
| CVE-2021-34343 | 6.0 MEDIUM | Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud |
| CVE-2018-19957 | Insufficient HTTP Security Headers in QTS, QuTS hero, and QuTScloud |
IV. Related Vulnerabilities
Same product: QUSBCam2
V. Comments for CVE-2021-34344
No comments yet