dbaudio R1 2.14.4 Privilege Escalation

Risk: Medium
Local: Yes
Remote: No
CWE: CWE-264

? dbaudio R1 v2.14.4 DNS-SD Service Unquoted Service Path Privilege Escalation Vendor: d&b audiotechnik GmbH Product web page: http://www.dbaudio.com Affected version: R1 2.14.4 and DNS-SD 379.32.2 Summary: The R1 Remote control software succeeds the d&b ROPE C software. It is a software package designed to operate d&b amplifiers (D12, D6, E-PAC with Display) remotely using the d&b Remote network based on CAN-Bus technology. Desc: The application suffers from an unquoted search path issue impacting the service 'dbaudio DNS-SD' for Windows deployed as part of dbaudio R1. 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 7 Ultimate SP1 (EN) Microsoft Windows 7 Professional SP1 (EN) Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2016-5293 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5293.php 01.12.2015 -- C:\windows\system32>sc qc "dbaudio DNS-SD Service" [SC] QueryServiceConfig SUCCESS SERVICE_NAME: dbaudio DNS-SD Service TYPE : 20 WIN32_SHARE_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files (x86)\dbaudio\DNS-SD Service\mDNSResponder.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : dbaudio DNS-SD Service DEPENDENCIES : Tcpip SERVICE_START_NAME : LocalSystem C:\windows\system32>



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