Unsafe execution of shell commands
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ID: python-security/asyncio-subprocess-create-shell
Language: Python
Severity: Error
Category: Security
CWE: 78
Description
Detect unsafe shell execution in the asyncio framework. When we invoke the shell, we should make sure that the data is safe and secure. Use shlex to sanitize user inputs.
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Non-Compliant Code Examples
import asyncio
def handler(event, context):
# Should sanitize arguments
async_loop.run_until_complete(async_loop.create_subprocess_shell("mycommand"))
Compliant Code Examples
import asyncio
import shlex
def handler(event, context):
# Should sanitize arguments
async_loop.run_until_complete(async_loop.create_subprocess_shell(shlex.quote("mycommand")))
