CVE-2023-23363

Published: Sep 22, 2023Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating system. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 4.3.6.2441 build 20230621 and later QTS 4.3.3.2420 build 20230621 and later QTS 4.2.6 build 20230621 and later QTS 4.3.4.2451 build 20230621 and later

Affected (3)

Products: Qnap: Qts

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Qnap Qts	From 4.3.3 to 4.3.3.2420
Qnap Qts	From 4.3.4 to 4.3.4.245
Qnap Qts	From 4.3.6 to 4.3.6.2441

Related CWEs

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

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

https://www.qnap.com/en/security-advisory/qsa-23-25

Source: security@qnapsecurity.com.tw

Vendor Advisory

https://www.qnap.com/en/security-advisory/qsa-23-25

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.