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Qnap QTS Out-of-bounds Write (CVE-2021-34343)

high Tenable OT Security Plugin ID 502608

Synopsis

The remote OT asset is affected by a vulnerability.

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

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.qnap.com/en/security-advisory/qsa-21-33

Plugin Details

Severity: High

ID: 502608

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 10/16/2024

Updated: 10/16/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2021-34343

CVSS v3

Risk Factor: High

Base Score: 7.2

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:qnap:qts:4.5.4, cpe:/o:qnap:qts:4.3.3, cpe:/o:qnap:qts:5.0.0, cpe:/o:qnap:qts:4.3.6, cpe:/o:qnap:quts_hero:h4.5.4

Required KB Items: Tenable.ot/Qnap

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2021

Vulnerability Publication Date: 9/10/2021

Reference Information

CVE: CVE-2021-34343

CWE: 787