Yeah, I think that's one good approach.
You would basically just need to add one additional check that the input size doesn't overflow the buffer's size.
and now the question is: what will the asm instructions look like?
maybe something like this: ```
In the original code
...
jmp mycode
back:
...
mycode:
# assume size is in register eax, and max size of buffer is 123
cmp eax, 123
jle sizeok # jump to sizeok if eax <= 123
# if eax > 123, do something to prevent RCE
# example, set size to 123, so a read should not overflow anymore
# another possibility is to just crash or exit the game, at least it will prevent the exploit from happening
mov eax, 123
sizeok:
jmp back # to original code after the jump
```
i will start to stream now
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