PDF Complete 4.1.12 Corporate Edition – Unquoted Service Path Privilege Escalation
# Exploit Title: PDF Complete Corporate Edition - Unquoted Service Path Privilege Escalation # Date: 10/19/2016 # Exploit Author: Joey Lane # Software Link: http://www.pdfcomplete.com/cms/Downloads.aspx # Version: 4.1.12 # Tested on: Windows 7 Professional PDF Complete Corporate Edition installs a service with an unquoted service path. This enables a local privilege escalation vulnerability. To exploit this vulnerability, a local attacker can insert an executable file in the path of the service. Rebooting the system or restarting the service will run the malicious executable with elevated privileges. This was tested on version 4.1.12, but other versions may be affected as well. --------------------------------------------------------------------------- C:\>sc qc pdfcDispatcher [SC] QueryServiceConfig SUCCESS SERVICE_NAME: pdfcDispatcher TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files (x86)\PDF Complete\pdfsvc.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : PDF Document Manager DEPENDENCIES : SERVICE_START_NAME : LocalSystem --------------------------------------------------------------------------- EXAMPLE: Using the BINARY_PATH_NAME listed above as an example, an executable named "Program.exe" could be placed in "C:\", and it would be executed as the Local System user next time the service was restarted. |