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List:       oss-security
Subject:    [oss-security] CVE-2021-26559: Apache Airflow 2.0.0: CWE-284 Improper Access Control on Configuratio
From:       Kaxil Naik <kaxilnaik () apache ! org>
Date:       2021-02-17 13:15:33
Message-ID: CAH5JyZq+Jr3Y8FdHhJ_axMN-a97aBLmnDzCAV4OdR0u8e9=SeQ () mail ! gmail ! com
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Versions Affected: 2.0.0

*Description*:

Improper Access Control on Configurations Endpoint for the Stable API
of Apache Airflow allows users with Viewer or User role to get Airflow
Configurations including sensitive information even when `[webserver]
expose_config` is set to `False` in `airflow.cfg`.

This allowed a privilege escalation attack.

This issue affects Apache Airflow 2.0.0.


*Mitigation*:

Upgrade to Airflow 2.0.1 or remove `can read on Configurations`
permission from the roles like Viewer and Users if you want to
restrict users with those roles to view configurations in 2.0.0.


*Credit*:
Apache Airflow would like to thank Ian Carroll for reporting this issue.

Thanks,
Kaxil,
on behalf of Apache Airflow PMC


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