full-disclosure - Re: Nmap NOT VULNERABLE to Windows DLL Hijacking Vulnerability

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Date: Wed, 8 Sep 2010 20:52:33 -0500
From: Rohit Patnaik <quanticle@...il.com>
To: "paul.szabo" <paul.szabo@...ney.edu.au>
Cc: full-disclosure <full-disclosure@...ts.grok.org.uk>,
	fyodor <fyodor@...ecure.org>
Subject: Re: Nmap NOT VULNERABLE to Windows DLL Hijacking
	Vulnerability

One problem with your scenario: any person sophisticated enough to know what
nmap is (much less use it) is going to be just a little suspicious about
running nmap on some random "data file" that you send them.

--Rohit Patnaik

On Wed, Sep 8, 2010 at 8:29 PM, <paul.szabo@...ney.edu.au> wrote:

> jf <jf@...co.net> wrote:
>
> > ... my understanding of the issue was not the default library search
> > path, but rather that people are using SearchPath() or similar to locate
> > DLLs which they then pass to LoadLibrary() ...
>
> And, people loading DLLs they do not need, for OS version detection.
> (Maybe others?)
>
> > ... I can't see anyone opening a URL with nmap itself ...
>
> An "exploit scenario" for nmap: send a ZIP (or somesuch) archive to
> the victim, containing a data file and a "hidden" DLL, with message:
>  Hey, these seem infected with conficker, check with nmap
> and the victim using "nmap -iL datafile" from current dir.
>
> Cheers, Paul
>
> Paul Szabo   psz@...hs.usyd.edu.au   http://www.maths.usyd.edu.au/u/psz/
> School of Mathematics and Statistics   University of Sydney    Australia
>
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