Create aa.py#11
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Signed-off-by: rajapandi1234 <138785181+rajapandi1234@users.noreply.github.com>
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| # Vulnerable: User input is directly concatenated into the SQL query | ||
| connection = sqlite3.connect('example.db') | ||
| cursor = connection.cursor() | ||
| cursor.execute(f"SELECT * FROM users WHERE name = '{query}'") # SQL injection vulnerability |
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Code scanning / CodeQL
SQL query built from user-controlled sources
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AI over 1 year ago
To fix the SQL injection vulnerability, we should use parameterized queries provided by the sqlite3 library. This approach ensures that user input is properly escaped and handled by the database driver, preventing SQL injection attacks.
- Replace the f-string SQL query with a parameterized query.
- Use placeholders (
?) in the SQL query and pass the user input as a parameter to theexecutemethod. - This change should be made in the
searchfunction in theaa.pyfile.
| @@ -13,3 +13,3 @@ | ||
| cursor = connection.cursor() | ||
| cursor.execute(f"SELECT * FROM users WHERE name = '{query}'") # SQL injection vulnerability | ||
| cursor.execute("SELECT * FROM users WHERE name = ?", (query,)) # Use parameterized query to prevent SQL injection | ||
| results = cursor.fetchall() |
| return str(results) | ||
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||
| if __name__ == '__main__': | ||
| app.run(debug=True) |
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Code scanning / CodeQL
Flask app is run in debug mode
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AI over 1 year ago
To fix the problem, we need to ensure that the Flask application does not run in debug mode in a production environment. The best way to achieve this is to use an environment variable to control the debug mode. This way, we can enable debug mode during development and disable it in production without changing the code.
- Import the
osmodule to access environment variables. - Modify the
app.run()method to set thedebugparameter based on an environment variable.
| @@ -20,2 +20,4 @@ | ||
| if __name__ == '__main__': | ||
| app.run(debug=True) | ||
| import os | ||
| debug_mode = os.getenv('FLASK_DEBUG', 'False').lower() in ['true', '1', 't'] | ||
| app.run(debug=debug_mode) |
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