CVE-2022-27600: qts DoS — Fix

Description

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2277 and later QTS 4.5.4.2280 build 20230112 and later QuTS hero h5.0.1.2277 build 20230112 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

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CVSS v3.1 Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

CWE-798 CWE-798

Affected Products

Vendor	Product	Versions
qnap	qts	4.5.1 — 4.5.4.2280
qnap	qts	5.0.0 — 5.0.1.2277
qnap	qts	All
qnap	qts	All
qnap	quts_hero	h4.5.1 — h4.5.4.2374
qnap	quts_hero	h5.0 — h5.0.1.2277
qnap	quts_hero	All
qnap	quts_hero	All
qnap	qutscloud	c5.0.1 — c5.0.1.2374

References

Advisories & Patches

https://www.qnap.com/en/security-advisory/qsa-23-09

Frequently Asked Questions

What is CVE-2022-27600? +

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2277 and later QTS 4.5.4.2280 build 20230112 and later QuTS hero h5.0.1.2277 build 20230112 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2022-27600? +

CVE-2022-27600 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-27600? +

CVE-2022-27600 affects products from qnap, specifically: qts, quts_hero, qutscloud. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-27600? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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