CVE-2018-19945

Improper Limitation of a Pathname to a Restricted Directory in QTS

State: Published
Severity: Not scored
Published: Dec 31, 2020
Updated: Sep 17, 2024
Reserved: Dec 7, 2018

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-20 Improper Input Validation
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-73 External Control of File Name or Path
CWE-284 Improper Access Control

Affected Products

Product	Versions
QTSQNAP Systems Inc.	before 4.3.6.0895Affected
QTSQNAP Systems Inc.	before 4.3.4.0899Affected
QTSQNAP Systems Inc.	4.5.xNot affected 4.4.xNot affected

References

https://www.qnap.com/zh-tw/security-advisory/qsa-20-21

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