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CVE-2018-19945 Improper Limitation of a Pathname to a Restricted Directory in QTS

CriticalCVSS 9.1 EPSS 1.1%
Published
Updated
Exploit status
No public exploit known

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.

Affected products

ProductAffected versionsFixed in
qnap qts >= 4.3.4, < 4.3.4.0899 4.3.4.0899
qnap qts >= 4.3.5, < 4.3.6.0895 4.3.6.0895
QNAP Systems Inc. QTS < 4.3.6.0895 4.3.6.0895
QNAP Systems Inc. QTS < 4.3.4.0899 4.3.4.0899

References