CVE-2021-34343— Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud
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I. Basic Information for CVE-2021-34343
Vulnerability Information
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Vulnerability Title
Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud
Source: NVD (National Vulnerability Database)
Vulnerability Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/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，该漏洞源于边界错误。远程未经身份验证的攻击者可以发送特制的请求来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。
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. | QTS | unspecified ~ 4.5.4.1715 build 20210630 | - | |
| QNAP Systems Inc. | QuTScloud | unspecified ~ c4.5.6.1755 | - | |
| QNAP Systems Inc. | QuTS hero | unspecified ~ h4.5.4.1771 build 20210825 | - |
II. Public POCs for CVE-2021-34343
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|---|
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- https://www.qnap.com/en/security-advisory/qsa-21-33x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-34343
Same Patch Batch · QNAP Systems Inc. · 2021-09-10 · 7 CVEs total
| CVE-2021-34344 | 9.8 CRITICAL | Stack Buffer Overflow Vulnerability in QUSBCam2 |
| 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-2018-19957 | Insufficient HTTP Security Headers in QTS, QuTS hero, and QuTScloud |
IV. Related Vulnerabilities
V. Comments for CVE-2021-34343
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