Could you scan this system with KB saving enabled and send me the  
result ?


Thanks,

Nicolas

On Sep 17, 2008, at 5:07 AM, Doty, Timothy T. wrote:

> I am concerned about some potential false positives/misleading  
> results reported by nessus. I have a WinXP system that *should* be  
> fully patched. When I run a nessus scan against it, it finds  
> unpatched critical vulnerabilities. The first thing that bothered me  
> is that this particular version of WinXP was slipstreamed and so was  
> installed with numerous patches included and these were older  
> vulnerabilities. I then ran a credentialed Windows patch audit and  
> the system came up clean -- no vulnerabilities.
>
> I finally got time to start verifying the vulnerabilities and the  
> first one nessus reports is Nessus ID : 20928 which gives a link to 
> http://www.microsoft.com/technet/security/bulletin/ms06-008.mspx 
> . Fine, I go to the website and according to Microsoft the *patched*  
> files includes (among other files):
>
> Mrxdav.sys 5.1.2600.1673 26-Apr-2005 01:58
>
> The *installed* version is
>
> Mrxdav.sys 5.1.2600.2180 04-Aug-2004 07:00
>
> That looks to me like it is *newer* than what was patched 2 years  
> ago, big surprise. However, nessus claims it is vulnerable. *And*  
> the file create and modify time stamps are older. Ah well, so I  
> searched on the file and version and find that it *does* have a  
> vulnerability, but the correct reference is 
> http://support.microsoft.com/?kbid=909423
>
> So directing to the link indicated in the plugin output is faulty?
>
> Three other vulnerabilities were also flagged but I haven't had time  
> to verify yet:
>
> http://www.microsoft.com/technet/security/bulletin/ms06-040.mspx
> http://www.microsoft.com/technet/security/bulletin/ms06-035.mspx
> http://www.microsoft.com/technet/security/bulletin/ms05-027.mspx
>
> Tim Doty
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>

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