Re: nmap (win32 4.60) bug and a fix

["Dudi I" <dudi.itzhakov () gmail com>]

Sorry for the delay, i was between jobs.

I used the -sT switch. (if i recall correctly it worked fine with the -sS)
It was reporoduced quite consistently on XP and on 2003 server.
Dudi.
On Wed, Apr 9, 2008 at 6:18 PM, Ionreflex <ionreflex () gmail com> wrote:

> Hi all,
>
> I tried to reproduce the problem to no avail on an up-to-date WindeXP!
> Without any option, this is what I get :
>
> [snap]
> C:\Program Files\Nmap>nmap 192.168.51.255
>
> Starting Nmap 4.60 ( http://insecure.org ) at 2008-04-09 11:11 Est (heure
> d'ÚtÚ)
>
> Note: Host seems down. If it is really up, but blocking our ping probes,
> try -PN
>
> Nmap done: 1 IP address (0 hosts up) scanned in 0.610 seconds
> [/snap]
>
> Problem is the IP address - 192.168.51.255 - could be a valid unicast, it
> all depends on the subnet mask...
>
> Dudi, could you be more specific about the Win32 version and maybe the
> command you try to pass ? I just want to make sure the problem is specific
> to Nmap and not the host itself...
>
> Tankiou,
>
>
>
> Ion
>
> 2008/4/8, Fyodor <fyodor () insecure org>:
> >  On Mon, Mar 31, 2008 at 03:21:32PM +0300, Dudi I wrote:
> > > Hi,
> > >
> > > I found a problem with nmap (4.60) when running on win32.
> > > when i scan an ip address which is a broadcast address (like
> > 192.169.1.255)
> > > nmap gets into an infinite loop.
> > >
> > > its seems that the return code from getsockopt in this case is not
> > handled
> > > at all (a 'Strange read error ...' message is produced) and nmap gets
> > into
> > > an infinite loop.
> > >
> > > Attached is the diff file to fix this issue.
> >
> > Thanks Dudi.  I've applied this for the next Nmap release.
> >
> > -F
> >
> > _______________________________________________
> > Sent through the nmap-dev mailing list
> > http://cgi.insecure.org/mailman/listinfo/nmap-dev
> > Archived at http://SecLists.Org <http://seclists.org/>

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