CVE-2018-19945: 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…

PriorityP353critical9.1CVSS 3.1

AVNACLPRNUINSUCNIHAH

EPSS

1.11%

61.8th percentile

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

4 ranges

Vendor	Product	Version range	Fixed 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	>= unspecified < 4.3.6.0895	4.3.6.0895
qnap_systems_inc	qts	>= unspecified < 4.3.4.0899	4.3.4.0899

CVSS provenance

nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

nvdv2.08.5HIGHAV:N/AC:L/Au:N/C:N/I:P/A:C

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