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Integration Runtimes can either be self-hosted (on-premise) or hosted in the Azure cloud (via the Azure Data Factory Integration Runtime). To import and process data from an external data source, a customer inputs credentials and relevant data, and then connects to that source via an integration runtime -a machine that connects to many different data sources. Knowing nothing but the name of an Azure Synapse workspace, here’s how an attacker could leak a victim’s credentials entered in Synapse:Īzure Synapse Analytics imports and processes data from many customer data sources (e.g., CosmosDB, Azure Data Lake, and external sources such as Amazon S3).Įach Synapse instance is called a workspace. Leak customer credentials to data sources external to Azure.Execute code on targeted customer machines inside the Azure Synapse Analytics service.Control their Azure Synapse workspaces.Obtain credentials to other Azure Synapse customer accounts.It permitted attackers to bypass tenant separation while including the ability to: Orca Security researcher Tzah Pahima is credited with discovering SynLapse-a critical Synapse Analytics vulnerability in Microsoft Azure, also affecting Azure Data Factory. Microsoft has implemented several improvements as they continue to work towards comprehensive tenant isolation.

We waited to publish until now in order to give Synapse customers time to patch their on-premises versions and reconsider their Azure Synapse usage. This blog describes the technical details of SynLapse, in continuation to our previous blog. One attack vector closed, additional hardening is recommended

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