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I. Basic Information for CVE-2021-34344
Vulnerability Information
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Vulnerability Title
Stack Buffer Overflow Vulnerability in QUSBCam2
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
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
VendorProductAffected VersionsCPESubscribe
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
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III. Intelligence Information for CVE-2021-34344
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IV. Related Vulnerabilities
Same product: QUSBCam2
Same vendor: QNAP Systems Inc.
Same weakness: CWE-787
V. Comments for CVE-2021-34344

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