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New Docker Container Escape Bug Affects Microsoft Azure Functions

Cybersecurity researcher Paul Litvak today disclosed an unpatched vulnerability in Microsoft Azure Functions that could be used by an attacker to escalate privileges and escape the Docker container used for hosting them.

The findings come as part of Intezer Lab’s investigations into the Azure compute infrastructure.

Following disclosure to Microsoft, the Windows maker is said to have “determined that the vulnerability has no security impact on Function users, since the host itself is still protected by another defense boundary against the elevated position we reached in the container host.”

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