Command coming from incoming request

Cette page n'est pas encore disponible en français, sa traduction est en cours.
Si vous avez des questions ou des retours sur notre projet de traduction actuel, n'hésitez pas à nous contacter.

Metadata

ID: python-django/subprocess-from-request

Language: Python

Severity: Error

Category: Security

CWE: 20

Description

Execute a process using unsanitized and unvalidated user-inputs. The user data should be sanitized and validated before being used to launch a new process.

Learn More

Non-Compliant Code Examples

import subprocess

def execute_command(request):
    cmd = request.GET.get("cmd")
    print("foobar")
    subprocess.run(cmd)
    subprocess.call(cmd)
    subprocess.capture_output(cmd)
    subprocess.call(["bash", cmd])

    bli = subprocess.run(cmd)
    bla = subprocess.call(cmd)
    ble = subprocess.capture_output(cmd)
    blo = subprocess.call(["bash", cmd])
    blip = subprocess.call("bash {0}".format(cmd))
    blop = subprocess.call("bash " + cmd)

Compliant Code Examples

import subprocess

def execute_command(request):
    cmd = request.GET.get("cmd")
    print("foobar")
    subprocess.run(shlex.escape(cmd))