More mature variations of Apache Airflow have been observed to have uncovered qualifications of popular products and services including cloud web hosting vendors, social media platforms, and payment processing services, according to researchers.
Cybersecurity scientists at Intezer discovered that misconfigurations in more mature variations not just leaked facts, but could also possibly enabled destructive code execution on the uncovered output environments.
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“This leak is extremely significant. Unlike more traditional credential leaks that impact individual user accounts, these credential leaks impact entire application framework instances,” Jake Williams, co-founder and chief technology officer at incident response company BreachQuest Inc., told SiliconANGLE.
Insecure coding practices
Explaining the exposure, the researchers note that Airflow uses standard Python to create and schedule workflows. The project has had two major releases since 2015, though there have been several interim releases that have subsequently improved the security of the platform.
To illustrate the fallacy in the older versions, the researchers note that Airflow versions prior to v1.10 allowed users to run ad-hoc queries against the database without any authentication, which is a dangerous ability to have on a production database exposed to the internet.
By focusing on the older, unsecure releases, the researchers discovered that misconfigured instances also exposed credentials, giving threat actors access to legitimate accounts and databases on platforms such as AWS, Google Cloud, WhatsApp, Slack, MySQL, Binance, PayPal, Stripe, and a lot more.
In a bizarre discovery, the researchers reveal that besides misconfiguration many of the credentials were exposed through insecure coding practices, such as hardcoded passwords in production code.
Intezer has notified all affected entities, urging them to fix their misconfigured Airflow instances, even as it asks Apache Airflow users to ensure they update their older instances to the latest one immediately.