Weak Permissions on Alcatel OSPREY3_MINI Modem Installer Allows Privilege Escalation

CVE-2018-14327 · HIGH Severity

AV:N/AC:M/AU:N/C:C/I:C/A:C

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.

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