CVE-2018-14327 Information

Description

The installer for the Alcatel OSPREY3_MINI Modem component on EE EE40VB 4G mobile broadband modems with firmware before EE40_00_02.00_45 sets weak permissions (Everyone:Full Control) for the \Web Connecton\EE40\ and \Web Connecton\EE40\BackgroundService\ directories which allows local users to gain privileges as demonstrated by inserting a Trojan horse ServiceManager.exe file into the \Web Connecton\EE40\BackgroundService\ directory.

CVSS Vector

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

Reference

http://blog.zerodaylab.com/2018/09/zerodaylab-discovers-ee-unquoted.html http://packetstormsecurity.com/files/149492/EE-4GEE-Mini-Local-Privilege-Escalation.html http://www.securityfocus.com/bid/105385 https://osandamalith.com/2018/09/17/ee-4gee-mini-local-privilege-escalation-vulnerability-cve-2018-14327/ https://www.exploit-db.com/exploits/45501/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8