Amazon Managed Workflows for Apache Airflow (MWAA) is not affected by the recently announced vulnerability in Apache Airflow 1.10.12. The default airflow.cfg file uses a temporary key that is the same for all installations. In Airflow 1.10.12 and earlier, there was no restriction in using that temporary key on the Airflow web server, meaning that the cookie signed using the default key for one Airflow web server could be used to access any other web server. This was mitigated in Airflow 1.10.14 by preventing the Airflow web server from launching if it is using the default temporary key.
Amazon MWAA uses a randomly generated key for every Airflow environment. This means an attacker can’t use this exploit to gain access to a MWAA web server instance. As such, Amazon MWAA is able to continue to offer Airflow 1.10.12 safely.
More Amazon MWAA updates
Airflow 2.0 and backport providers
With the release of Airflow 2.0, the Amazon MWAA team is working on the necessary testing to get it delivered to customers. In the meantime, backport provider support is available, which allows you to run DAGs in 1.10.12 that will also work in 2.0.
from airflow.contrib.operators.emr_create_job_flow_operator import EmrCreateJobFlowOperator from airflow.contrib.operators.emr_add_steps_operator import EmrAddStepsOperator from airflow.contrib.sensors.emr_step_sensor import EmrStepSensor
from airflow.providers.amazon.aws.operators.emr_create_job_flow import EmrCreateJobFlowOperator from airflow.providers.amazon.aws.operators.emr_add_steps import EmrAddStepsOperator from airflow.providers.amazon.aws.sensors.emr_step import EmrStepSensor
and add the following line to the Amazon MWAA requirements.txt file:
The Amazon MWAA team has added additional runtimes to provide support for MySQL, SSH, and other packages that depend on them. For example, to support MySQL and SSH, you can add the following lines to the Amazon MWAA requirements.txt file:
apache-airflow[mysql] paramiko sshtunnel
The Amazon MWAA documentation team and AWS community are working on new examples and walkthroughs showing how to use the managed service with Amazon Elastic Kubernetes Service (Amazon EKS), Amazon Elastic Container Service (Amazon ECS), and more. Please visit the Amazon MWAA documentation for additional information.