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cve-2022-21882's Issues

Failed to compile: x86_64-w64-mingw32-g++

Hello, @KaLendsi

I faced an error while compiling your PoC exploit for Win32k Local Privilege Escalation.

  • OS: macOS Big Sur

  • CC: x86_64-w64-mingw32-g++

  • uname: Darwin Ivans-MacBook-Air.local 20.1.0 Darwin Kernel Version 20.1.0: Sat Oct 31 00:07:10 PDT 2020; root:xnu-7195.50.7~2/RELEASE_ARM64_T8101 arm64

  • Command: x86_64-w64-mingw32-g++ ExploitTest.cpp

  • Error log:

ExploitTest.cpp: In function 'BOOL FindHMValidateHandle()':
ExploitTest.cpp:84:32: error: cast from 'BYTE*' {aka 'unsigned char*'} to 'unsigned int' loses precision [-fpermissive]
   84 |         unsigned int offset = ((unsigned int)pIsMenu - (unsigned int)hUser32) + addr;
      |                                ^~~~~~~~~~~~~~~~~~~~~
ExploitTest.cpp:84:56: error: cast from 'HMODULE' {aka 'HINSTANCE__*'} to 'unsigned int' loses precision [-fpermissive]
   84 |         unsigned int offset = ((unsigned int)pIsMenu - (unsigned int)hUser32) + addr;
      |                                                        ^~~~~~~~~~~~~~~~~~~~~
ExploitTest.cpp: In function 'HWND__* GuessHwnd(QWORD*, DWORD)':
ExploitTest.cpp:131:35: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  131 |                 hwndMagicWindow = (HWND)*(DWORD*)(qwBaseAddress - 0xc8);
      |                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ExploitTest.cpp: In function 'int main(int, _TCHAR**)':
ExploitTest.cpp:509:17: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  509 |                 (LPCWSTR)g_lpWcxMagic,
      |                 ^~~~~~~~~~~~~~~~~~~~~
ExploitTest.cpp:663:24: warning: ISO C++ forbids converting a string constant to 'LPWSTR' {aka 'wchar_t*'} [-Wwrite-strings]
  663 |         si.lpDesktop = L"WinSta0\\Default";
      |                        ^~~~~~~~~~~~~~~~~~~
ExploitTest.cpp:666:29: error: cannot convert '_TCHAR*' {aka 'char*'} to 'LPCWSTR' {aka 'const wchar_t*'}
  666 |         lstrcpyW(cmd, argv[1]);
      |                       ~~~~~~^
      |                             |
      |                             _TCHAR* {aka char*}
In file included from /usr/local/Cellar/mingw-w64/9.0.0_2/toolchain-x86_64/x86_64-w64-mingw32/include/windows.h:70,
                 from ExploitTest.cpp:6:
/usr/local/Cellar/mingw-w64/9.0.0_2/toolchain-x86_64/x86_64-w64-mingw32/include/winbase.h:1446:64: note:   initializing argument 2 of WCHAR* lstrcpyW(LPWSTR, LPCWSTR)'
 1446 |   WINBASEAPI LPWSTR WINAPI lstrcpyW (LPWSTR lpString1, LPCWSTR lpString2);
      |                                                        ~~~~~~~~^~~~~~~~~
ExploitTest.cpp: In function 'DWORD64 g_newxxxClientFreeWindowClassExtraBytes(DWORD64*)':
ExploitTest.cpp:164:1: warning: control reaches end of non-void function [-Wreturn-type]
  164 | }
      | ^

Undefined symbol in shellcode.asm

undefined symbol: r10

Severity Code Description Project File Line Suppression State

Error A2006 undefined symbol : r10 CVE-2021-1732 C:\Users\sandbox\Downloads\CVE-2022-21882-main\CVE-2022-21882-main\shellcode.asm 6

Error MSB3721 The command "ml.exe /c /nologo /Zi /Fo"Debug\shellcode.obj" /W3 /errorReport:prompt /Tashellcode.asm" exited with code 1. CVE-2021-1732 C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\BuildCustomizations\masm.targets 70

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