Source: https://code.google.com/p/google-security-research/issues/detail?id=474
---
The attached PoC triggers a buffer overflow in the NtGdiBitBlt system call. It reproduces reliable on Win 7 32-bit with Special Pool enabled on win32k.sys
---
Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/38307.zip