Cisco Talos finds 10 vulnerabilities in Azure Sphere’s Linux kernel, Security Monitor and Pluton


Following our previous engagements (see blog posts 123 and 4) with Microsoft’s Azure Sphere IoT platform, we decided to take another look at the device, without all the rush and commotion that normally entails a hacking challenge. 

Today, we’re disclosing another 10 vulnerabilities in Azure Sphere — two of which are on the Linux side, seven that exist in Security Monitor and one in the Pluton security subsystem.

As opposed to our previous architectural overview, this post will simply walk through the vulnerabilities we discovered as part of our continued research into Azure Sphere, starting with the Linux kernel side.

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