Allchin bug p-o-c.

["Dave Korn" <davek_throwaway () hotmail com>]

 Here's p-o-c code for the allchin vulnerability.  It allows you to write a 
(fairly) arbitrary DWORD to a (also fairly) arbitrary address in the memory 
space of mqsvc.exe on a remote w2k server.  It should be straightforward 
enough to turn that into any kind of remote shell sploit using the standard 
well known techniques (e.g. overwrite an exception handler) but I haven't 
done so yet.

 Interestingly enough, this works on sp2 but sp4 seems to be immune; I 
haven't tested sp3.  I say 'interesting', because I can't find any reference 
to this bug having been fixed in the lists of bugs fixed in those service 
packs, but it's definitely been whacked in some way by sp4....

  cheers,
      DaveK

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