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Windows kernel null pointer dereference in win32k!OffsetChildren #544

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
Credit is to "Nils Sommer of bytegeist, working with Google Project Zero".

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The attached PoC triggers a null pointer vulnerability in OffsetChildren on 
Windows 7 32-bit. By mapping the null page an attacker can leverage this 
vulnerability to write to an arbitrary address.

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This bug is subject to a 90 day disclosure deadline. If 90 days elapse
without a broadly available patch, then the bug report will automatically
become visible to the public.

Original issue reported on code.google.com by haw...@google.com on 23 Sep 2015 at 6:38

Attachments:

GoogleCodeExporter commented 8 years ago

Original comment by haw...@google.com on 23 Sep 2015 at 7:38

GoogleCodeExporter commented 8 years ago

Original comment by haw...@google.com on 5 Dec 2015 at 12:22

GoogleCodeExporter commented 8 years ago

Original comment by scvi...@google.com on 17 Dec 2015 at 5:57