Extreme Flaw in Google Cloud’s Cloud SQL Service Uncovered Confidential Information

Might 26, 2023Ravie LakshmananInformation Security / Cloud Safety

Google Cloud's Cloud SQL Service

A brand new safety flaw has been disclosed within the Google Cloud Platform’s (GCP) Cloud SQL service that may very well be probably exploited to acquire entry to confidential knowledge.

“The vulnerability might have enabled a malicious actor to escalate from a primary Cloud SQL consumer to a full-fledged sysadmin on a container, having access to inner GCP knowledge like secrets and techniques, delicate recordsdata, passwords, along with buyer knowledge,” Israeli cloud safety agency Dig said.

Cloud SQL is a fully-managed answer to construct MySQL, PostgreSQL, and SQL Server databases for cloud-based purposes.

The multi-stage assault chain recognized by Dig, in a nutshell, leveraged a spot within the cloud platform’s safety layer related to SQL Server to escalate the privileges of a consumer to that of an administrator function.

The elevated permissions subsequently made it attainable to abuse one other vital misconfiguration to acquire system administrator rights and take full management of the database server.

Cloud SQL

From there, a risk actor might entry all recordsdata hosted on the underlying working system, enumerate recordsdata, and extract passwords, which might then act as a launchpad for additional assaults.

“Having access to inner knowledge like secrets and techniques, URLs, and passwords can result in publicity of cloud suppliers’ knowledge and clients’ delicate knowledge which is a significant safety incident,” Dig researchers Ofir Balassiano and Ofir Shaty mentioned.

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Following accountable disclosure in February 2023, the problem was addressed by Google in April 2023.

The disclosure comes as Google announced the provision of its Automated Certificates Administration Surroundings (ACME) API for all Google Cloud customers to routinely purchase and renew TLS certificates without spending a dime.

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