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Network Security Focus-Microsoft
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SID Manipulation Issue - Cross Domain Security Vulnerabilities

Subject: SID Manipulation Issue - Cross Domain Security Vulnerabilities
Date: Mon, 7 Mar 2005 10:32:34 -0600

Does anyone know if there has been anything done by Microsoft regarding the SID 
manipulation issue? This came up a year or two ago, and it basically meant that 
the domain was no longer the security boundary. As I recall, manipulation of a 
SID in one domain could be performed to obtain permissions on another domain 
within the same forest.
 
Is anyone aware if any patch, hotfix, service pack or whatever might have been 
issued to resolve this vulnerability? Are there any workarounds?
 
Another question is around SID filtering - is this an effective countermeasure? 
Or is it really impractical for very large domains with frequent changes?
 
Thanks for any help or info you might have on this....
 
 
Tim 
 
 

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