Windows Kernel stack memory disclosure in win32k!ClientPrinterThunk(CVE-2017-8475)

We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7 other platforms untested indirectly through the win32k!NtGdiOpenDCW system call. The analysis shown below was performed on Windows 7 32-bit. The full stack trace...

Microsoft Windows - win32k!ClientPrinterThunk Kernel Stack Memory Disclosure

Microsoft Windows - win32k!ClientPrinterThunk Kernel Stack Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1186 We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7 other...