CVE-2021-34343

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

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-21-33	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:qnap:qts::::::::
	cpe:2.3:o:qnap:qts::::::::
	cpe:2.3:o:qnap:qts::::::::
	cpe:2.3:o:qnap:qts::::::::
	cpe:2.3:o:qnap:quts_hero::::::::
	cpe:2.3:o:qnap:qutscloud::::::::

History

No history.

Information

Published : 2021-09-10 04:15

Updated : 2022-02-10 07:44

NVD link : CVE-2021-34343

Mitre link : CVE-2021-34343

CVE.ORG link : CVE-2021-34343

JSON object : View

Products Affected

qnap

quts_hero
qutscloud
qts

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-34343", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.0, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 1.2}]}, "published": "2021-09-10T04:15:18.073", "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-21-33", "tags": ["Vendor Advisory"], "source": "security@qnapsecurity.com.tw"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "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"}, {"lang": "es", "value": "Se ha reportado de una vulnerabilidad de desbordamiento del b\u00fafer de la pila que afecta al dispositivo QNAP que ejecuta QTS, QuTScloud, QuTS hero. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar c\u00f3digo arbitrario. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 y posteriores QTS 5.0.0.1716 build 20210701 y posteriores QuTScloud c4.5.6.1755 y posteriores QuTS hero h4.5.4.1771 build 20210825 y posteriores"}], "lastModified": "2022-02-10T07:44:44.990", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6872822F-3262-4478-BBF6-E18EB0F2B3A7", "versionEndExcluding": "4.3.3.1693"}, {"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BE4A9109-5905-4844-B6B2-9B339D15E5A6", "versionEndExcluding": "4.3.6.1750", "versionStartIncluding": "4.3.4"}, {"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "760BDF32-6E7B-483B-ABAE-1BF7FB53FF27", "versionEndExcluding": "4.5.4.1715", "versionStartIncluding": "4.4.0"}, {"criteria": "cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FC041DE-AA6E-41BB-8E67-642E75283BA2", "versionEndExcluding": "5.0.0.1716", "versionStartIncluding": "5.0.0"}, {"criteria": "cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2B57DE98-C9C6-4C4D-B790-293D6D0CE646", "versionEndExcluding": "h4.5.4.1771"}, {"criteria": "cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "65E1E2FD-8AB8-4C29-AC6F-619CB0888620", "versionEndExcluding": "c4.5.6.1755"}], "operator": "OR"}]}], "sourceIdentifier": "security@qnapsecurity.com.tw"}

7.2 /10