Created
November 15, 2019 16:27
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NtGdiDdDDISetHwProtectionTeardownRecovery BSOD
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| NtGdiDdDDISetHwProtectionTeardownRecovery (0x121B) service implemented in Windows 10 TH2 has no validation of input parameter which is pointer. | |
| .text:00000001C00BA0C0 public NtGdiDdDDISetHwProtectionTeardownRecovery | |
| .text:00000001C00BA0C0 NtGdiDdDDISetHwProtectionTeardownRecovery proc near | |
| .text:00000001C00BA0C0 xor r8d, r8d | |
| .text:00000001C00BA0C3 mov edx, 1 | |
| .text:00000001C00BA0C8 cmp [rcx+4], r8d //<- Have a nice BSOD | |
| .text:00000001C00BA0CC setz r8b | |
| .text:00000001C00BA0D0 xor ecx, ecx | |
| .text:00000001C00BA0D2 jmp DCompositionForceRender | |
| .text:00000001C00BA0D2 NtGdiDdDDISetHwProtectionTeardownRecovery endp | |
| Service implemented in win32kbase.sys and can be easily used to crash system. | |
| This feature(?) exist since TH2 release and confirmed in 10586.456 version of Win32k. | |
| It was fixed only in RS1 builds, below is 14372 (so it's in production for about year). | |
| .text:00000001C00C96A0 public NtGdiDdDDISetHwProtectionTeardownRecovery | |
| .text:00000001C00C96A0 NtGdiDdDDISetHwProtectionTeardownRecovery proc near | |
| .text:00000001C00C96A0 | |
| .text:00000001C00C96A0 arg_8 = qword ptr 10h | |
| .text:00000001C00C96A0 | |
| .text:00000001C00C96A0 sub rsp, 28h | |
| .text:00000001C00C96A4 cmp rcx, cs:W32UserProbeAddress | |
| .text:00000001C00C96AB cmovnb rcx, cs:W32UserProbeAddress | |
| .text:00000001C00C96B3 movsd xmm0, qword ptr [rcx] | |
| .text:00000001C00C96B7 movsd [rsp+28h+arg_8], xmm0 | |
| .text:00000001C00C96BD xor r8d, r8d | |
| .text:00000001C00C96C0 cmp dword ptr [rsp+28h+arg_8+4], r8d | |
| .text:00000001C00C96C5 setz r8b | |
| .text:00000001C00C96C9 mov edx, 1 | |
| .text:00000001C00C96CE xor ecx, ecx | |
| .text:00000001C00C96D0 call DCompositionForceRender | |
| .text:00000001C00C96D5 jmp short loc_1C00C96DC | |
| .text:00000001C00C96D7 ; --------------------------------------------------------------------------- | |
| .text:00000001C00C96D7 mov eax, 0C000000Dh | |
| .text:00000001C00C96DC | |
| .text:00000001C00C96DC loc_1C00C96DC: | |
| .text:00000001C00C96DC add rsp, 28h | |
| .text:00000001C00C96E0 retn | |
| .text:00000001C00C96E0 NtGdiDdDDISetHwProtectionTeardownRecovery endp |
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