Authentication Bypass in Grafana Monitoring Platform

CVE-2023-1387

What is CVE-2023-1387?

Grafana, an open-source monitoring and observability platform, introduced a new functionality that allows searching for a JWT in the 'auth_token' URL query parameter. This feature, when enabled via the 'url_login' configuration option (which is disabled by default), can inadvertently expose JWT tokens to data sources. If an attacker gains access to the data source, they may capture the leaked token and utilize it for authentication purposes in Grafana, potentially compromising the integrity of the system. It is critical for users to assess their configurations and ensure that unnecessary options are not enabled.

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References