CyberWire Daily

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episode 202: Vulnerabilities in the public cloud. [Research Saturday]


Guest Ariel Zelivansky, Senior Manager of Security Research at Palo Alto Networks, joins Dave to discuss Unit 42's work on the first cross-account container takeover in the public cloud. The Unit 42 Threat Intelligence team has identified the first known vulnerability that could enable one user of a public cloud service to break out of their environment and execute code on environments belonging to other users in the same public cloud service. This unprecedented cross-account takeover affected Microsoft's Azure Container-as-a-Service (CaaS) platform. Researchers named the finding Azurescape because the attack started from a container escape – a technique that enables privilege escalation out of container environments.

The research can be found here:

  • What You Need to Know About Azurescape
  • Finding Azurescape – Cross-Account Container Takeover in Azure Container Instances


Note: Microsoft is a sponsor of the CyberWire, however, we cover them as we would any other company.


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 2021-09-25  23m