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SOUND4 Server Service 4.1.102 Local Privilege Escalation

🗓️ 14 Dec 2022 00:00:00Reported by Gjoko KrsticType 
zeroscience
 zeroscience
🔗 www.zeroscience.mk👁 317 Views

SOUND4 Server Service 4.1.102 Local Privilege Escalation. Unquoted path vulnerability allows local users to execute code with elevated privileges on Windows

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<html><body><p>SOUND4 Server Service 4.1.102 Local Privilege Escalation


Vendor: SOUND4 Ltd.
Product web page: https://www.sound4.com | https://www.sound4.biz
Affected version: 4.1.102

Summary: SOUND4 Windows Server Service.

Desc: The application suffers from an unquoted search path issue impacting
the service 'SOUND4 Server' for Windows. 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: Windows 10 Home 64 bit (build 9200)
           SOUND4 Server v4.1.102
           SOUND4 Remote Control v4.3.17


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
Macedonian Information Security Research and Development Laboratory
Zero Science Lab - https://www.zeroscience.mk - @zeroscience


Advisory ID: ZSL-2022-5721
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5721.php


26.09.2022

--


C:\&gt;sc qc "SOUND4 Server"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: SOUND4 Server
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\SOUND4\Server\SOUND4 Server.exe --service
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : SOUND4 Server
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

C:\&gt;cacls "C:\Program Files\SOUND4\Server\SOUND4 Server.exe"
C:\Program Files\SOUND4\Server\SOUND4 Server.exe NT AUTHORITY\SYSTEM:(ID)F
                                                 BUILTIN\Administrators:(ID)F
                                                 BUILTIN\Users:(ID)R
                                                 APPLICATION PACKAGE AUTHORITY\ALL APPLICATION PACKAGES:(ID)R
                                                 APPLICATION PACKAGE AUTHORITY\ALL RESTRICTED APPLICATION PACKAGES:(ID)R


C:\Program Files\SOUND4\Server&gt;"SOUND4 Server.exe" -V
4.1.102
</p></body></html>

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14 Dec 2022 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.8 - 8.4
CVSS 48.6
EPSS0.00033
SSVC
317