CVE-2021-34343
Medium
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
SeverityMedium
CVSS6.0
Exploit probability—
Product
Qnap Quts Hero
PublishedSep 10, 2021
First seenSep 10, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- qnap quts_heroh4.5.4.1771 or later
- qnap qts4.3.3.1693, 4.3.6.1750, 4.5.4.1715, 5.0.0.1716 or later
- qnap qutscloudc4.5.6.1755 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qnap quts_hero | v < h4.5.4.1771 | h4.5.4.1771 |
| qnap qts | v < 4.3.3.1693, 4.3.4 ≤ v < 4.3.6.1750, 4.4.0 ≤ v < 4.5.4.1715, 5.0.0 ≤ v < 5.0.0.1716 | 4.3.3.1693, 4.3.6.1750, 4.5.4.1715, 5.0.0.1716 |
| qnap qutscloud | v < c4.5.6.1755 | c4.5.6.1755 |
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