Use of unsanitized data to issue SQL queries

Docs > コード分析 > Static Analysis Rules > Use of unsanitized data to issue SQL queries

このページは日本語には対応しておりません。随時翻訳に取り組んでいます。翻訳に関してご質問やご意見ございましたら、お気軽にご連絡ください。

Metadata

ID: python-flask/sqlalchemy-injection

Language: Python

Severity: Error

Category: Security

CWE: 89

Description

Use of unsanitized data from incoming requests in SQL queries may lead to SQL injections. Instead, the data should be filtered and sanitized before use, making sure all potential SQL injections are avoided.

Learn More

CWE-89: Improper Neutralization of Special Elements used in an SQL Command

Non-Compliant Code Examples

import flask
import requests

app = flask.Flask(__name__)



@app.route("/route/to/resource/<resource_id>")
def resource2(resource_id):
    file1 = query.order_by(resource_id)
    file2 = query.having(f"{resource_id}")

@app.route("/route/to/resource/<resource_id>")
def resource3(resource_id):
    file3 = query.filter("{0}".format(resource_id))


@app.route("/route/to/resource")
def resource2():
    resource_id = flask.request.args.get("resource_id")
    file1 = query.group_by(resource_id)

Compliant Code Examples

import flask
import requests

app = flask.Flask(__name__)

@app.route("/route/to/resource")
def resource2():
    resource_id = flask.request.args.get("resource_id")
    file1 = query.group_by(sanitize(resource_id))