Re: [Plugins-writers] Sendmail < 8.13.5 race condition remote detect?

From: Renaud Deraison (deraison@private)
Date: Wed Apr 26 2006 - 04:36:10 PDT


On Apr 25, 2006, at 6:33 PM, Flickema, Drew W. wrote:

>
>   I've seen local check nasl(s) for CVE 2006-0058, but have not seen a
> remote detect nasl.  Is there any effort with this?  I have only found
> the original PoC code, but the author, jack@private states
> it does not really work well.  Is there a working exploit available  
> and
> is it safe or does it crash the service?

It is possible to distinguish a patched and unpatched server, however  
the default timeout for this operation on many sendmail servers is  
set to 3600 seconds, which makes such a plugin impractical. Also, a  
banner check definitely is out of the question since every vendor  
backported the fixes (and compiling sendmail is no fun).

The Tenable Passive Vulnerability Scanner has a plugin for this flaw  
-- one of the advantages of being passive is that you're never really  
time-constrained.


					-- Renaud
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