CVE-2017-17743 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

https://securite.intrinsec.com/2018/03/19/cve-2017-17743-ucopia-shell-escape/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.7