Realtek 11n Wireless LAN utility – Local Privilege Escalation
Realtek 11n Wireless LAN utility privilege escalation. Vulnerability Discovered by Humberto Cabrera @dniz0r http://zeroscience.mk @zeroscience Summary: ⁃ Realtek 11n Wireless LAN utility is deployed and used by realtek alfa cards and more in order to help diagnose and view wireless card properties. Description: - Unquoted Privilege escalation that allows a user to gain SYSTEM privileges. Date - 12 Feb 2015 Version: 700.1631.106.2011 Vendor: www.realtek.com.tw Advisory URL: https://eaty0face.wordpress.com/2015/02/13/realtek-11n-wireless-lan-utility-privilege-escalation/ Tested on: Win7 [SC] QueryServiceConfig SUCCESS SERVICE_NAME: realtek11ncu TYPE : 110 WIN32_OWN_PROCESS (interactive) START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files\REALTEK\11n USB Wireless LAN Utility\RtlService.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : Realtek11nCU DEPENDENCIES : SERVICE_START_NAME : LocalSystem C:\Windows\system32>sc qc realtek11nsu [SC] QueryServiceConfig SUCCESS SERVICE_NAME: realtek11nsu TYPE : 110 WIN32_OWN_PROCESS (interactive) START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files\REALTEK\Wireless LAN Utility\RtlService.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : Realtek11nSU DEPENDENCIES : SERVICE_START_NAME : LocalSystem |