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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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