CVE-2020-5357: Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations contain an Arbitrary File Overwrite vulnerability. The…

PriorityP427medium6CVSS 3.1

AVLACHPRLUIRSUCNIHAH

EPSS

0.25%

16.6th percentile

Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations contain an Arbitrary File Overwrite vulnerability. The vulnerability is limited to the Dell Dock Firmware Update Utilities during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
dell	cpg_bios	>= unspecified < 1.0.8	1.0.8
dell	dock_wd15_firmware	< 1.0.8	1.0.8
dell	dock_wd19_firmware	< 1.0.14	1.0.14
dell	precision_dual_usb-c_thunderbolt_dock_tb18dc_firmware	< 1.0.10	1.0.10
dell	thunderbolt_dock_tb16_firmware	< 1.0.4	1.0.4

CVSS provenance

nvdv3.16.0MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H

nvdv2.02.6LOWAV:L/AC:H/Au:N/C:N/I:P/A:P

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