CVE-2021-38687

A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-21-46	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:5.0.0:*:*:*:*:*:x64:*

Configuration 2 (hide)

AND

cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:5.0.0:*:*:*:*:*:x86:*

Configuration 3 (hide)

AND

cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6:*:*:*:*:*:x64:*

Configuration 4 (hide)

AND

cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6:*:*:*:*:*:x86:*

Configuration 5 (hide)

AND

cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.3:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-12-29 13:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-38687

Mitre link : CVE-2021-38687

CVE.ORG link : CVE-2021-38687

JSON object : View

Products Affected

qnap

surveillance_station
qts

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later"}, {"lang": "es", "value": "Se ha informado de una vulnerabilidad de desbordamiento del b\u00fafer de la pila que afecta al NAS de QNAP que ejecuta Surveillance Station. Si es explotado, esta vulnerabilidad permite a atacantes ejecutar c\u00f3digo arbitrario. 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