Azure Cosmos DB remote takeover bug affects thousands of organisations – Security

Nancy J. Delong

Security scientists have identified a lengthy-standing vulnerability in the Azure Cosmos DB thoroughly managed non-structured question language database, which will allow attackers to remotely consider more than the details keep with a trivial exploit.

Named ChaosDB, the vulnerability presents any Azure person complete administrative obtain to other customers’ Cosmos DB instances, security seller Wiz Investigate Group mentioned.

This involves the skill to examine, write and delete information in the NoSQL details keep, with no authorisation necessary.

Wiz mentioned the vulnerability impacts thousands of organisations, such as a number of massive Fortune five hundred firms.

The vulnerability stems from the Jupyter Notebook website software that developers can use for a variety of duties such as information visualisation, are living code documenets and statistical modelling.

Jupyter Notebooks are a function of Cosmos DB, and a threat actor can exploit a chain of vulnerabilities to acquire credentials to the NoSQL database technique.

No earlier obtain to sufferer environments is necessary, and Wiz mentioned the chain of vulnerabilities is trivial to exploit.

Microsoft has acknowledged the vulnerability and disabled the function inside of 48 several hours just after Wiz documented it.

Wiz mentioned the vulnerability has been exploitable for months, and mentioned each individual Cosmos DB shopper must suppose they have been compromised.

Microsoft has notified close to a third of Cosmos DB customers about the security breach, advising them to regenerate the principal keys to mitigate from the vulnerability.

There is no indication at the this stage that the ChaosDB vulnerability has been exploited, Microsoft recommended.

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