Detections
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Qnap QTS Path Traversal (CVE-2018-19945)

critical Tenable OT Security Plugin ID 502508

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.

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/zh-tw/security-advisory/qsa-20-21

Plugin Details

Severity: Critical

ID: 502508

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: 5.2

CVSS v2

Risk Factor: High

Base Score: 8.5

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

CVSS Score Source: CVE-2018-19945

CVSS v3

Risk Factor: Critical

Base Score: 9.1

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

Vulnerability Information

CPE: cpe:/o:qnap:qts:4.3.6, cpe:/o:qnap:qts:4.3.4

Required KB Items: Tenable.ot/Qnap

Exploit Ease: No known exploits are available

Patch Publication Date: 12/31/2020

Vulnerability Publication Date: 12/31/2020

Reference Information

CVE: CVE-2018-19945

CWE: 20, 22, 284, 73