Source: https://code.google.com/p/google-security-research/issues/detail?id=474
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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
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Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/38307.zipData
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