CVE-2017-17743: Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices before 4.4.20, 5.0.x before 5.0.19, and 5.1.x…

PriorityP433medium6.7CVSS 3.0

AVLACLPRHUINSUCHIHAH

EPSS

1.13%

62.3th percentile

Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices before 4.4.20, 5.0.x before 5.0.19, and 5.1.x before 5.1.11 allows authenticated remote attackers to escape the shell and escalate their privileges by uploading a .bashrc file containing the /bin/sh string. In some situations, authentication can be achieved via the bhu85tgb default password for the admin account.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
ucopia	wireless_appliance_firmware	< 4.4.20	4.4.20
ucopia	wireless_appliance_firmware	>= 5.0 < 5.0.19	5.0.19
ucopia	wireless_appliance_firmware	>= 5.1 < 5.1.11	5.1.11

CVSS provenance

nvdv3.06.7MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

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