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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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mySCADAProv7 Local Privilege Escalation

Vendor: mySCADA Technologies s.r.o.
Product web page: https://www.myscada.org/
Affected application: myscadaPro
Affected version: v7 (Current version)

Vulnerability discovered by: Karn Ganeshen

Description: 

myscadaPro7 application installs seven (8) services. All these services run as LocalSystem by default, and suffer from an unquoted search path issue. This could potentially allow an authorized but non-privileged local user to execute arbitrary code with elevated privileges on the system. 

A successful attempt would require the local user to be able to insert their code in the system root path undetected by the OS or other security applications where it could potentially be executed during application startup or reboot. If successful, the local user’s code would execute with the elevated privileges of the application.


Tested on: 

Microsoft Windows Vista Ultimate SP2 (EN)


Details

The following services have insecurely quoted paths:

1.    Bonjour Service (Bonjour Service) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mDNSResponder.exe:

2.    myalerting (myalerting) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\myalerting.exe\" -c \"C:\ProgramData\mySCADA\myscada.conf\" -m \"C:\ProgramData\mySCADA\msmtp.conf\" -s \"C:\ProgramData\mySCADA\sms.conf\" ":

3.    myscadacom (myscadacom) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\myscadacom.exe\" -c \"C:\ProgramData\mySCADA\myscada.conf\" ":

4.    myscadadb (myscadadb) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\myscadadb.exe\" -c \"C:\ProgramData\mySCADA\myscada.conf\" ":

5.  myscadagate (myscadagate) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\myscadagate.exe\" -f \"C:\ProgramData\mySCADA\myscada.conf\" ":

6.    myscadahmi (myscadahmi) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\myscadahmi.exe\" -p \"C:\Program Files\mySCADA\" -c \"conf\hmi.conf\" ":

7.    myscadalog (myscadalog) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\myscadalog.exe\" -c \"C:\ProgramData\mySCADA\myscada.conf\" ":

8.    myscadascr (myscadascr) runs as LocalSystem and has path: C:\Program Files\mySCADA\bin\mySCADAservice.exe "\"C:\Program Files\mySCADA\bin\node.exe\" \"C:\Program Files\mySCADA\bin\scripts\scripts.js\" -c \"C:\ProgramData\mySCADA\myscada.conf\" -a 1 ":