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Date: Thu, 21 Dec 2006 14:09:43 +0100
From: endrazine <endrazine@...il.com>
To: full-disclosure@...ts.grok.org.uk,  bugtraq@...urityfocus.com
Subject: Re: Fun with event logs (semi-offtopic)

Heya lists & 3APA3A,

3APA3A a écrit :
> Dear full-disclosure@...ts.grok.org.uk,
>
> There  is  interesting  thing  with  event  logging on Windows. The only
> security  aspect  of  it  is  event log record tampering and performance
> degradation,  but  it may become sensitive is some 3rd party software is
> used for automated event log analysis.
>
> The   problem   is   a  kind  of  "Format  string"  vulnerability  where
> user-supplied  input  is  used  for  event log record. For ReportEvent()
> function  %1,  %2,  etc  have  a  special  meaning and are replaced with
> corresponding  string  from  lpStrings.  
It looks more like a variable replacement (like $0 $1 ... in bash shell) 
than a format string issue to me.
And it seems indeed to be a relevant information disclosure bug.


Cheers,

endrazine-

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