Net Monitor for Employees Pro < 5.3.4 - Unquoted Service Path Privilege Escalation

# Exploit Title: Unquoted Service Path Privilege Escalation - Net Monitor for Employees Pro <= 5.3.4 
# Date: 18/03/2017
# Exploit Author: Saeid Atabaki
# E-Mail: bytecod3r <at> gmail.com, saeid <at> Nsecurity.org
# Linkedin: https://www.linkedin.com/in/saeidatabaki
# Vendor Homepage: http://networklookout.com/
# Version: <= 5.3.4
# CVE: CVE-2017-7180
# Vendor Not Resoponding. contacted vendor 18/3/2017 

Net Monitor for Employees is an application to monitor users machine and its agent based. Its agent install itself as a service ("Net Monitor for Employees Agent") with an unquoted service path running with SYSTEM privileges. This could potentially allow an authorized but non-privileged local user to execute arbitrary code with elevated privileges on the system.


C:\Users\Win7>sc qc  "Net Monitor for Employees Agent"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: Net Monitor for Employees Agent
        TYPE               : 110  WIN32_OWN_PROCESS (interactive)
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Net Monitor for Employees Pro\bin\nmep_ctrlagentsvc.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Net Monitor for Employees Agent
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem


A successful attempt would require the local attacker must insert an executable file in the path of the service. Upon service restart or system reboot, the malicious code will be run with elevated privileges.


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