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|    comp.lang.asm.x86    |    Ahh, the lost art of x86 assembly    |    4,675 messages    |
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|    Message 3,223 of 4,675    |
|    wolfgang kern to James Harris    |
|    Re: Very serious Intel processor flaw fo    |
|    06 Jan 18 13:11:10    |
      From: nowhere@never.at              James Harris asked:              ...       >> I now already read several posts and links from comp.arch in addition       >> to this two intruder attempts (Spectre and Meltdown).              >> My OS seem to save from such attacks because it wont ever compile Java       >> into executable code. It may just interprete it, and so easy detect any       >> attempt to behave outside of limits/rules.              >> Please show me how it could affect my SAFE OS variant (interprete only).              >> It could gather some info about my OS within the rare Windoze+KESYS       >> variant but because my code-style is much too far away from C, I heavy       >> daubt that any non-C programmer/virus/trojan will ever see how my OS       >> work at all.              > In essence: Does your OS allow user-written binaries to run?              Not at all in KESYS_SAFE version.       Only 16 bit RM in KESYS_OPEN if DOS-emulation is active.       Users may create scripts which are interpreted only (if they make sense).              > If so, they       > can read anything - any byte - in the address space they run in even if       > that memory belongs to the kernel or to another program.              sure, but this was the reason for me to make a SAFE variant in addition.              > The same trick would be much harder with interpreted Java.              Yes, I think script interpretors can really check and ignore/discard any       misbehaving stuff.       __       wolfgang              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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