Re: snmp-brute plugin not working in IPv6

[Gioacchino Mazzurco <gmazzurco89 () gmail com>]

I have created a github iussue for this, it seems i cannot add labels to the 
issue, IPv6 and NSE labels are at least needed

https://github.com/nmap/nmap/issues/130

On Thursday, May 21, 2015 04:40:52 PM Gioacchino Mazzurco wrote:
> I am interested in this bug I'll take a look at it
>
> On Thursday, May 14, 2015 09:29:04 AM Roberto Greiner wrote:
> > Hi,
> >
> > I've looked a bit into the snmp-brute.nse script, to see why it did not
> > work with ipv6, and I think I found the problem. In the code, there is
> > function named
> > local sniff_snmp_responses = function(host, port, lport, result)
> >
> > Inside it, there is the following code:
> >   local ip = host.bin_ip_src
> >   ip =
> >
> > string.format("%d.%d.%d.%d",ip:byte(1),ip:byte(2),ip:byte(3),ip:byte(4))
> >
> >   pcap:pcap_open(host.interface, 104, false,"dst host " .. ip .. " and
> >
> > udp and src port 161 and dst port " .. lport)
> >
> > Obviously, this will work only with IPv4. My problem is that I have no
> > knowledge of lua. Actually, my programming knowledge4 altogether is very
> > limited. Does somebody have a ready made script that would work
> > properly, or some suggestion to what should replace this code?
> >
> > Tks,
> >
> > Roberto Greiner
> >
> > On 29/04/2015 10:46, Roberto Greiner wrote:
> > > Hi,
> > >
> > > I've been using the nmap snmp-brute plugin for debugging my server
> > > infra-structure, and after some tests verified that the plugin does not
> > > work properly over IPv6.
> > >
> > > When used with IPv4, it works properly, returning the snmp community.
> > > But over IPv6, it only reports if the ports is open or not, never
> > > returning the valid community. SNMP is working through IPv6, which I
> > > verified using snmpwalk, but the script does not report the valid
> > > community as would be expected.
> > >
> > > Roberto Greiner
> > >
> > > PS: Tested using Debian 7 and 8 servers, 64 bits, using the following
> > > nmap version, locally  compiled(Debian 7 output):
> > > Nmap version 6.47 ( http://nmap.org )
> > > Platform: x86_64-unknown-linux-gnu
> > > Compiled with: nmap-liblua-5.2.3 openssl-1.0.1e libpcre-8.30
> > > nmap-libpcap-1.2.1 nmap-libdnet-1.12 ipv6
> > > Compiled without:
> > > Available nsock engines: epoll poll select
> > >
> > > PS2: Sorry if this is the wrong list to report this problem. If this
> > > mail should have gone to another list, please indicate the correct one.

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