MS14-068 for Windows 2000 Server の修正内容
| L6B719B41: lea eax,[ebp-04h] push eax push [ebp+10h] call jmp_cryptdll.dll!CDLocateCheckSum mov ebx,eax test ebx,ebx jl L6B719BBA mov eax,[ebp-04h] cmp dword ptr [eax+04h],00000014h jbe L6B719B63 mov ebx,C000000Dh jmp L6B719BBA L6B719B63: lea ecx,[ebp-08h] push ecx push 00000011h push [esi+04h] push [esi+08h] call [eax+1Ch] mov ebx,eax test ebx,ebx jl L6B719BBA |
修正前１
| L6B719B41: lea eax,[ebp-04h] push eax push [ebp+10h] call jmp_cryptdll.dll!CDLocateCheckSum mov ebx,eax test ebx,ebx jl L6B719BBA mov eax,[ebp-04h] cmp dword ptr [eax],FFFFFF76h jz L6B719B65 L6B719B5E: mov ebx,80080342h jmp L6B719BBA L6B719B65: cmp dword ptr [eax+04h],00000014h jbe L6B732480 mov ebx,C000000Dh jmp L6B719BBA L6B732480: L6B719B76: |
修正後１
| call jmp_cryptdll.dll!CDLocateCheckSum test eax,eax jl L6B719878 mov ecx,[ebp-04h] cmp dword ptr [ecx+04h],00000014h ja L6B7198E5 lea eax,[ebp-0Ch] push eax mov eax,[ebp+08h] push 00000011h push [eax+04h] push [eax+08h] call [ecx+1Ch] |
変更前２
| call jmp_cryptdll.dll!CDLocateCheckSum test eax,eax jmp L6B7324B0 L6B7324B0: L6B7197C1: |
変更後２
| test byte ptr [ebp-32h],01h jz L6B714A8E mov dword ptr [ebp-6Ch],00000010h jmp L6B714A9A L6B714A8E: lea eax,[ebp-64h] push eax push& nbsp; [ebp-2Ch] call SUB_L6B7147E1 |
修正前３
| test byte ptr [ebp-32h],01h jz L6B714A8E mov dword ptr [ebp-6Ch],00000010h jmp L6B714A8E L6B714A8E: lea eax,[ebp-64h] push eax push [ebp-2Ch] call SUB_L6B7147E1 |
修正後３
| L6B719881: lea eax,[ebp-0Ch] push eax mov eax,[ebp-04h] push 00000011h push [esi+04h] push [esi+08h] call [eax+1Ch] test eax,eax jl L6B7198E5 |
修正前４
| L6B719881: lea eax,[ebp-0Ch] push eax jmp L6B7324CA L6B71988A: push [esi+04h] push [esi+08h] call [eax+1Ch] test eax,eax jl L6B7198E5 L6B7324CA: |
修正後４
一応公開しましたが、チェックできてないので、ご注意ください
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